KS3 Science-Chemistry Quiz on "SOLUTIONS and separation of mixtures" (based on QCA 7H)

Which word means 'it will dissolve'? [7h-1]
1. soluble
2. solute
3. solvent
4. solution
Which word means 'the substance that dissolves'? [7h-2]
1. soluble
2. solute
3. solvent
4. solution
Which word means 'the liquid that dissolves the substance'? [7h-3]
1. soluble
2. solute
3. solvent
4. solution
Which word means 'the mixture from something dissolving'? [7h-4]
1. soluble
2. solute
3. solvent
4. solution
Which of the following means 'it won't dissolve'? [7h-5]
1. insoluble
2. dissolves
3. saturated
4. solubility
Which of the following means 'the solid substance particles completely mixes with the solvent particles'? [7h-6]
1. insoluble
2. dissolves
3. saturated
4. solubility
Which of the following about a solution means 'no more will dissolve'? [7h-7]
1. insoluble
2. dissolves
3. saturated
4. solubility
Which of the following means 'how much will dissolve'? [7h-8]
1. insoluble
2. dissolves
3. saturated
4. solubility
Which word means 'something you don't want in a substance'? [7h-9]
1. impurity
2. pure
3. mixture
4. impure
Which word means 'just one substance in the material'? [7h-10]
1. impurity
2. pure
3. mixture
4. impure
Which word means 'more than one substance in the material'? [7h-11]
1. impurity
2. pure
3. mixture
4. saturated
Which word means 'containing a substance you don't want in a material'? [7h-12]
1. impurity
2. pure
3. saturated
4. impure
The process to separate a mixture of sand and salt is shown in the diagram.
Which word best goes with 'mixing the salt with water'? [7h-13]
1. dissolving
2. filtering
3. evaporating
4. crystallising
The process to separate a mixture of sand and salt is shown in the diagram.
Which word best goes with 'removing the sand'? [7h-14]
1. dissolving
2. filtering
3. evaporating
4. crystallising
The process to separate a mixture of sand and salt is shown in the diagram.
Which word best goes with 'removing the water'? [7h-15]
1. dissolving
2. filtering
3. evaporating
4. crystallising
The process to separate a mixture of sand and salt is shown in the diagram.
Which word best goes with 'getting the pure salt'? [7h-16]
1. dissolving
2. filtering
3. evaporating
4. crystallising
The process to separate a mixture of sand and salt is shown in the diagram.
This process can be used to purify rock salt.
Which of these is the solvent? [7h-17]
1. water
2. sand
3. salt
4. salt solution
The process to separate a mixture of sand and salt is shown in the diagram.
This process can be used to purify rock salt.
Which of these is the insoluble material? [7h-18]
1. water
2. sand
3. salt
4. salt solution
The process to separate a mixture of sand and salt is shown in the diagram.
This process can be used to purify rock salt.
Which of these is the soluble material? [7h-19]
1. water
2. sand
3. salt
4. salt solution
The process to separate a mixture of sand and salt is shown in the diagram.
This process can be used to purify rock salt.
Which of these is the mixture? [7h-20]
1. water
2. sand
3. crystallised salt
4. salt solution
Which salt is the most soluble at 15^oC ? [7h-21]
1. NaCl sodium chloride
2. KNO₃ potassium nitrate
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
Which salt is the most soluble at 55^oC ? [7h-22]
1. NaCl sodium chloride
2. KNO₃ potassium nitrate
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
Which salt is the least soluble at 0^oC ? [7h-23]
1. NaCl sodium chloride
2. KNO₃ potassium nitrate
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
Which salt is the 2nd most soluble at 59^oC ? [7h-24]
1. NaCl sodium chloride
2. KNO₃ potassium nitrate
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
Which salt changes most in solubility with increase in temperature? [7h-25]
1. KNO₃ potassium nitrate
2. NaCl sodium chloride
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
Which salt changes least in solubility with increase in temperature? [7h-26]
1. KNO₃ potassium nitrate
2. NaCl sodium chloride
3. K₂SO₄ potassium sulphate
4. CuSO₄ copper sulphate
What is the solubility of potassium nitrate (KNO₃) in g/100g water at 40⁰C ? [7h-27]
1. 26
2. 60
3. 61
4. 28
What is the solubility of copper sulphate (CuSO₄) in g/100g water at 63⁰C ? [7h-28]
1. 88
2. 90
3. 44
4. 42
What is the solubility of potassium sulphate (K₂SO₄) in g/100g water at 56⁰C ? [7h-29]
1. 18
2. 20
3. 14
4. 22
At what temperature, in ^oC, is the solubility of potassium nitrate (KNO₃) 26g per 100g of water? [7h-30]
1. 13
2. 15
3. 2
4. 4
At what temperature, in ^oC, is the solubility of copper sulphate (CuSO₄) 54g per 100g of water? [7h-31]
1. 96
2. 80
3. 78
4. 98
At what temperature, in ^oC, is the solubility of potassium nitrate (KNO₃) 92g per 100g of water? [7h-32]
1. 56
2. 38
3. 36
4. 54
The process illustrated is called? [7h-33]
1. distillation
2. fermentation
3. filtration
4. sedimentation
In the process illustrated, the change from liquid to vapour is called? [7h-34]
1. distillation
2. evaporation
3. condensation
4. fractionation
In the process illustrated, the change from vapour to liquid is called? [7h-35]
1. distillation
2. evaporation
3. condensation
4. fractionation
In the process illustrated, any dissolved solids will not distill over because they have? [7h-36]
1. too low a boiling point
2. too low a melting point
3. too high a melting point
4. too high a boiling point
The separation process illustrated is called? [7h-37]
1. chromatography
2. distillation
3. filtration
4. radiography
The separation process result illustrated is called the? [7h-38]
1. distillate
2. chromatogram
3. filtrate
4. evaporate
The chromatography separation shows that mixture 6? [7h-39]
1. contains no purple or red
2. contains four colours
3. contains no green or purple
4. only contains blue and red
The chromatography separation shows that mixture 6? [7h-40]
1. contains no green or red
2. contains two colours
3. contains no brown or purple
4. contains blue, brown and red
Which is the fastest way to dissolve a solid in a liquid? [7h-41]
1. heat and stir the liquid and solid mixture
2. put lots of the solid in the liquid
3. put a little solid in a lot of the liquid
4. stir equal amounts of solid and liquid vigorously
Which is the best method to separate coloured substances? [7h-42]
1. distillation
2. chromatography
3. filtration
4. evaporation
If 100 cm³ of saturated potassium nitrate (KNO₃) solution was cooled from 60^oC to 20^oC, what mass of potassium nitrate crystals will form? [7h-43]
1. 70g
2. 78g
3. 74g
4. 82g
If 100 cm³ of saturated copper sulphate (CuSO₄) solution was cooled from 100^oC to 30^oC, what mass of blue copper sulphate crystals will form? [7h-44]
1. 52g
2. 48g
3. 60g
4. 56g
Which corresponds to the particle picture shown? [7h-45]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-46]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-47]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-48]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-49]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-50]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-51]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-52]
1. a pure liquid
2. a solution
3. pure crystals
4. impure crystals
What temperature does the Celsius thermometer read in ^oC ? [7h-53]
1. 36
2. 34
3. 44
4. 35.5
What temperature does the Celsius thermometer read in ^oC ? [7h-54]
1. 3
2. -7
3. 7
4. -3
What temperature does the Celsius thermometer read in ^oC ? [7h-55]
1. 101
2. 102
3. 101.5
4. 103
What temperature does the Celsius thermometer read in ^oC ? [7h-56]
1. 46
2. 47
3. 53.5
4. 46.5
What temperature does the Celsius thermometer read in ^oC ? [7h-57]
1. 132
2. 144
3. 126
4. 131
What temperature does the Celsius thermometer read in ^oC ? [7h-58]
1. 46.5
2. 53
3. 51.5
4. 63.5
What temperature does the Celsius thermometer read in ^oC ? [7h-59]
1. 203
2. 201.5
3. 206
4. 227
What temperature does the Celsius thermometer read in ^oC ? [7h-60]
1. 68.5
2. 81.5
3. 76
4. 77
In this process the change from liquid to vapour is called? [7h-61]
1. boiling
2. distilling
3. condensing
4. fractionating
The process to get pure salt from rock salt is shown in the diagram.
Which of the following would be described as impure? [7h-62]
1. water
2. rock salt
3. crystallised salt
4. salt solution
The process to get pure salt from rock salt is shown in the diagram.
Which of the following would be described as a mixture? [7h-63]
1. water
2. crystallised salt
3. rock salt
4. steam
The process to get pure salt from rock salt is shown in the diagram.
Which of the following would be described as a 'suspension'? [7h-64]
1. the evaporating water
2. the crystallising salt
3. the insoluble solids settling out
4. stirred water and fine sand particles
Which of the words listed goes along with the phrase .... [7h-65]
'explaining something we observed'?
1. interpretation
2. description
3. evaluation
4. prediction
Which of the words listed goes along with the phrase .... [7h-66]
'how we did the experiment'?
1. interpretation
2. description
3. evaluation
4. prediction
Which of the words listed goes along with the phrase .... [7h-67]
'how successful was our experiment'?
1. interpretation
2. description
3. evaluation
4. prediction
Which of the words listed goes along with the phrase .... [7h-68]
'what might happen in our experiment'?
1. interpretation
2. description
3. evaluation
4. prediction
Which corresponds to the particle picture shown? [7h-69]
1. a mixture of liquids
2. pure liquid
3. pure crystals
4. impure crystals
Which corresponds to the particle picture shown? [7h-70]
1. a pure liquid
2. mixture of liquids
3. pure crystals
4. impure crystals
The process to get pure salt from rock salt is shown in the diagram.
Which of the following would be described a 'sediment'? [7h-71]
1. the evaporating water
2. the crystallising salt
3. the insoluble solids settling out
4. stirred water and fine sand particles
Apparatus number 1 is called a? [7h-72]
1. thermometer
2. magnetic stirrer
3. diddler
4. stirring rod
Apparatus number 2 is called a? [7h-73]
1. beaker
2. conical flask
3. boiling flask
4. evaporating dish
Apparatus number 3 is called a? [7h-74]
1. buchner burner
2. bunsen burner
3. gas burner
4. natural burner
Aapparatus number 4 is called a? [7h-75]
1. filter sieve
2. filter pump
3. filter funnel
4. filteriser
Apparatus number 5 is called a? [7h-76]
1. chromatography paper
2. sieve paper
3. sediment paper
4. filter paper
TApparatus number 6 is called a? [7h-77]
1. evaporating dish
2. boiling basin
3. cooking basin
4. boiling dish
Apparatus number 7 is called a? [7h-78]
1. calibrated beaker
2. measuring cylinder
3. concical cylinder
4. measuring flask
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-79]
1. brown is made of blue, green and yellow colours
2. purple is made of green and red colours
3. blue, red and yellow are each made up of just one colour
4. green is made of blue and red colours
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-80]
1. brown is made of blue, green and yellow colours
2. purple is made of green and red colours
3. blue, green and red are each made up of just one colour
4. green is made of blue and yellow colours
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-81]
1. brown is made of blue, red and yellow colours
2. purple is made of green and red colours
3. blue, green and red are each made up of just one colour
4. green is made of blue and red colours
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-82]
1. brown is made of blue, green and yellow colours
2. purple is made of blue and red colours
3. blue, green and red are each made up of just one colour
4. green is made of blue and red colours
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-83]
1. brown is made of blue and yellow colours
2. purple is made of red and yellow colours
3. brown is made of green and red colours
4. green is made of blue and red colours
The diagram shows the results of a chromatography investigation into the colours extracted from sweets. From the results you can say? [7h-84]
1. brown is made of green and yellow colours
2. purple is made of red and yellow colours
3. green is made of blue and red colours
4. brown is made of purple and yellow colours
Which of these can be described as 'soluble in water'? [7h-85]
1. sugar
2. glass
3. plastic
4. sand
Which of these can be described as 'insoluble in water'? [7h-86]
1. sugar
2. glass
3. salt
4. copper sulphate
At which temperature in ^oC does the solubilty of sodium chloride equal that of potsssium nitrate? [7h-87]
1. 55
2. 20
3. 23
4. 30
At which temperature in ^oC does the solubilty of sodium chloride equal that of copper sulfate? [7h-88]
1. 51
2. 35
3. 23
4. 55
Which of these can make a solid substance dissolve faster in a liquid? [7h-89]
1. heat the solid-liquid mixture
2. use larger lumps of solid in a small volume of liquid
3. let the large undissolved pieces settle out
4. use a little solid at a time to a large volume of liquid
Which of these can make a solid substance dissolve faster in a liquid? [7h-90]
1. cool the solid-liquid mixture
2. use smaller lumps of solid
3. let the large undissolved pieces settle out
4. use a little solid at a time to a large volume of liquid
Which of these can make a solid substance dissolve faster in a liquid? [7h-89]
1. cool the solid-liquid mixture
2. use larger lumps of solid in a small volume of liquid
3. stir the mixture regularly
4. use a little solid at a time to a large volume of liquid
Which of these is NOT a good idea to make a solid substance dissolve faster in a flammable liquid? [7h-92]
1. use a little solid at a time to a large volume of liquid
2. use larger lumps of solid in a small volume of liquid
3. let the large undissolved pieces settle out
4. heat the solid-liquid mixture
What mass of copper sulfate will dissolve in 50g of water at 30^oC ? [7h-93]
1. 12g
2. 24g
3. 48g
4. 6g
What mass of potassium nitrate will dissolve in 200g of water at 20^oC ? [7h-94]
1. 32g
2. 64g
3. 16g
4. 6g
What is the minimum mass of water you can completely dissolve 28g of copper sulfate in at 80^oC ? [7h-95]
1. 100g
2. 200g
3. 50g
4. 25g
What is the minimum mass of water you can completely dissolve 36g of potassium sulfate in at 60^oC ? [7h-95]
1. 100g
2. 25g
3. 50g
4. 200g
Which method shown in the diagram is filtration? [7h-97]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram removes excess liquid? [7h-98]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is distillation? [7h-99]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is chromatography? [7h-100]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is used to separate grit particles from muddy water? [7h-101]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is used to separate copper sulphate crystals from its solution in water? [7h-102]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is used to separate pure water from seawater? [7h-103]
1. method 1
2. method 2
3. method 3
4. method 4
Which method shown in the diagram is used to analyse a forged cheque? [7h-104]
1. method 1
2. method 2
3. method 3
4. method 4
Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? [7h-105]
1. most compounds are more soluble at a higher temperature than a lower temperature
2. solubility data for water are given between 0-100^oC because that's the only temperature range we use in laboratory experiments
3. salt particles pass through the filter paper because they are attracted to water molecules
4. one reason why the mass of pure salt crystals obtained is less than the original rock salt is because of losses by evaporation
Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? [7h-106]
1. most compounds are less soluble at a higher temperature than a lower temperature
2. solubility data for water are given between 0-100^oC because its limited by the freezing and boiling point of water
3. salt particles pass through the filter paper because they are attracted to water molecules
4. one reason why the mass of pure salt crystals obtained is less than the original rock salt is because of losses by evaporation
Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? [7h-107]
1. most compounds are less soluble at a higher temperature than a lower temperature
2. solubility data for water are given between 0-100^oC because that's the only temperature range we use in laboratory experiments
3. salt particles pass through the filter paper because they are so small compared to the pores of the paper
4. one reason why the mass of pure salt crystals obtained is less than the original rock salt is because of losses by evaporation
Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? [7h-108]
1. most compounds are less soluble at a higher temperature than a lower temperature
2. solubility data for water are given between 0-100^oC because that's the only temperature range we use in laboratory experiments
3. salt particles pass through the filter paper because they are attracted to water molecules
4. one reason why the mass of pure salt crystals obtained is less than the original rock salt is because of the filtered impurities
Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? [7h-109]
1. one reason why the mass of pure salt crystals obtained is less than the original rock salt is because liquid is left in the beaker or on the filter paper
2. solubility data for water are given between 0-100^oC because that's the only temperature range we use in laboratory experiments
3. salt particles pass through the filter paper because they are attracted to water molecules
4. most compounds are less soluble at a higher temperature than a lower temperature
Which statement is TRUE about the distillation process shown in the diagram, to purify water from blue ink? [7h-110]
1. some dissolved salts can distill over
2. the thermometer at Y will register 100^oC
3. the state change at X is called condensation
4. the state change in Z is called evaporation
Which is TRUE about the distillation process shown in the diagram, to purify water from blue ink? [7h-111]
1. some dissolved salts can distill over
2. the thermometer at Y will only register 90^oC
3. the state change at X is called boiling
4. the state change in Z is called evaporation
Which is TRUE about the distillation process shown in the diagram, to purify water from blue ink? [7h-112]
1. some dissolved salts can distill over
2. the thermometer at Y will only register 90^oC
3. the state change at X is called crystallisation
4. the state change in Z is called condensation
Apparatus number 6 is called a? [7h-113]
1. crystallising dish
2. boiling basin
3. cooking basin
4. boiling dish
The process to get pure salt from rock salt is shown in the diagram. Which of the following would be described as the filtrate? [7h-114]
1. pure water
2. clear salt solution
3. pure crystallised salt
4. rock salt particles

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KS3 Science-Chemistry Quiz on "SOLUTIONS and separation of mixtures" (based on QCA 7H)

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