Which word corresponds to a hydrocarbon molecule? [op-13]
Which word corresponds to carbon? [op-14]
Which word corresponds to a narrow boiling range of hydrocarbons from oil? [op-15]
Which word corresponds to crude oil? [op-16]
Which word corresponds to hydrogen? [op-18]
Which word corresponds to a range of similar sized hydrocarbons from oil? [op-19]
Which word corresponds to a fraction of crude oil? [op-20]
Which word means changing a gas into liquid? [op-21]
Which word means breaking up big molecules into small ones? [op-22]
Which of the following involves liquid to gas AND gas to liquid without chemical change? [op-23]
Which word means what happens to spilt petrol? [op-24]
Which of the following is TRUE about crude oil? [op-45]
Which of the following is TRUE about crude oil? [op-46]
Which of the following is TRUE about crude oil? [op-47]
Which of the following is TRUE about crude oil? [op-48]
Which of the following is TRUE about crude oil? [op-49]
Which of the following is TRUE about crude oil? [op-50]
Which of the following is TRUE about crude oil? [op-51]
Which of the following is TRUE about crude oil? [op-52]
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-53]
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-54]
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-55]
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-56]
Cracking is an example of? [op-57]
Making plastics is an example of? [op-58]
The separation of crude oil products is an example of? [op-59]
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-61]
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-62]
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-63]
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-64]











Which of the following, when fossil fuels are burned, causes acid rain? [op-81]
Which of the following, when fossil fuels are burned causes the 'greenhouse effect'? [op-82]
Which of the following, when fossil fuels are burned, is formed when there is lack of oxygen? [op-83]
Which of the following, when fossil fuels are burned, is formed when there is lack of oxygen? [op-84]
At 1 the crude oil is a ..?.. of hydrocarbons. [op-85]
At 2 the hydrocarbons are? [op-86]
At 1-4 the hydrocarbons are a ..?.. of hydrogen and carbon. [op-87]
At 4 the hydrocarbons are very? [op-88]
At 1 the hydrocarbon mixture is? [op-89]
At 2 the hydrocarbon mixture is? [op-90]
At 3 the hydrocarbon mixture is? [op-91]
At 4 the hydrocarbon mixture is? [op-92]




Which is a suitable physical test for a liquid thought to be pure water by seeing if it? [op-119]
Which is a definition of an atom? [op-120]
Which of the following means a 'hydrocarbon'? [op-124]
Which statement is TRUE about polymers (plastics)? [op-125]
Which statement is TRUE about polymers (plastics)? [op-126]
Which statement is TRUE about polymers (plastics)? [op-127]
Which statement is TRUE about polymers (plastics)? [op-128]
Which statement is TRUE about polymers (plastics)? [op-129]
Which statement is TRUE about polymers (plastics)? [op-130]
Which statement is TRUE about polymers (plastics)? [op-131]
Which statement is TRUE about polymers (plastics)? [op-132]
Which explains why the gasoline fraction is used for petrol? [op-133]
Which explains why the refinery gas fraction is used for 'camping gaz' burners? [op-134]
Which explains why the fuel oil fraction is used for central heating? [op-135]
Which explains why the lubricating oil fraction is used as a lubricant? [op-136]
Which represents a cracking reaction? [op-139]
Which is a thermal decompostion reaction in the petrochemical industry? [op-148]
What may be formed by the incomplete combustion of petrol? [op-162]
Drips of a colourless liquid were seen at the end of a car exhaust. The colourless liquid is most likely to be? [op-163]
A samle of gas from a car exhaust was tested with limewater and gave a white precipitate. The gas was most likely to be? [op-164]
Poly(ethene) and poly(propene) are described as examples of? [op-165]
Petrol and diesel are best described as examples of? [op-165]
Incomplete combustion can happen when there is a shortage of? [op-167]
Biodegradable plastics are environmentally friendly because they? [op-168]
Which is a hydrocarbon molecule? [op-169]
The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosine. Which is likely to be gasoline? [op-170]
The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosine. Which is likely to be kerosine? [op-171]
The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosine. Which is likely to be bitumen? [op-172]
The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosine. Which is likely to be bottled gas? [op-173]
The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel egine fuel. Which best matches petrol fuel? [op-174]
The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel egine fuel. Which best matches diesel fuel? [op-175]
The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel egine fuel. Which best matches road surfacing material? [op-176]
The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel egine fuel. Which best matches camping gas? [op-177]
The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a light flammable liquid? [op-178]
The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a not very flammable liquid? [op-179]
The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a thick viscous liquid? [op-180]
The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a flammable gas? [op-181]
Which is a plastic? [op-182]
Which is a plastic? [op-183]
Which is a plastic? [op-184]