The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper sulphate.
The preparation of copper nitrate.
Which four numbers a, b, c and d are required to balance the equation? [9e-13]
Which four numbers a, b, c and d are required to balance the equation? [9e-14]
[9e-15] Complete the word equation: iron + sulphuric acid ==> ?
[9e-16] Complete the word equation: copper oxide + sulphuric acid ==> ?
Which five numbers a, b, c, d and e are required to balance the equation? [9e-17]
Which five numbers a, b, c, d and e are required to balance the equation? [9e-18]
Which four numbers a, b, c and d are required to balance the equation? [9e-19]
Which four numbers a, b, c and d are required to balance the equation? [9e-20]
Which four numbers a, b, c and d are required to balance the equation?[9e-21]
[9e-22] Complete the word equation: magnesium carbonate + nitric acid ==> ?
Which four numbers a, b, c and d are required to balance the equation? [9e-23]
Which four numbers a, b, c and d are required to balance the equation? [9e-24]
9e-25] Complete the word equation: zinc + hydrochloric acid ==> ?
[9e-26] Which four numbers a, b, c and d are required to balance the equation?
[9e-27] Which four numbers a, b, c and d are required to balance the equation?
[9e-28] Which four numbers a, b, c and d are required to balance the equation?









Which of the following elements is a non-metal but quite a good conductor of heat and electricity? [9e-37]

Which of the following elements is a good conductor used in electrical wiring? [9e-38]

Which of the following elements is a strong metal used to make steel for cans? [9e-39]

Which of the following elements has been used for thousands of years for jewellery because it doesn't tarnish easily? [9e-40]
Which element is used to 'galvanise' iron and steel to prevent rusting? [9e-41]
Which element is used for window frames and other situations exposed to the weather, because it has good anti-corrosion properties? [9e-44]
A solid W is reacted with acid. A colourless gas X is given off which gives a 'squeaky pop' with a lighted spill. The solid W is most likely to be a? [9e-45]
A solid W is reacted with acid. A colourless gas X is given off which gives a 'squeaky pop' with a lighted spill. The gas X is most likely to be? [9e-46]
A solid Y is reacted with acid. A colourless gas Z is given off which gives a white milky precipitate when bubbled into limewater. The solid Y is most likely to be a? [9e-47]
A solid Y is reacted with acid. A colourless gas Z is given off which gives a white milky precipitate when bubbled into limewater. The gas Z is most likely to be? [9e-48]
[9e-49] Complete the word equation: calcium hydroxide + hydrochloric acid ==> ?
[9e-50] Complete the word equation: zinc carbonate + hydrochloric acid ==> ?
[9e-51] Complete the word equation: copper carbonate + sulphuric acid ==> ?
[9e-52] Complete the word equation: magnesium + nitric acid ==> ?
Which is used in fireworks to give a bright white effect? [9e-54]
Metal salts can be prepared from a water insoluble metal oxide, hydroxide or carbonate in dilute acid. Which of the following best explains why excess solid is mixed with the acid? [9e-56]
Copper sulphate can be prepared by reacting dilute sulphuric acid with copper oxide powder. Which piece of evidence best supports the idea that a chemical reaction has taken place? [9e-57]
Which two chemicals can be used to make copper nitrate? [9e-58]
Which two chemicals can be used to make magnesium nitrate? [9e-63]
Which two chemicals can be used to make magnesium sulphate? [9e-64]
Which two chemicals can be used to make magnesium chloride? [9e-65]
Which two chemicals can be used to make magnesium sulphate? [9e-66]