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CHEMISTRY SPECIMEN PAPER 1B
Time Allowed: 1 hr Maximum Marks: 74



Name: Form:



1. This question is about metals and limestone.
a. Write down the three equations linking limestone, quicklime and
slaked lime. [6]
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b. What is the difference between cement and concrete? [2]…

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2. This question is about products from oil.
a. Define
i. Cracking [1]
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ii. Distillation [1]
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iii. Refining [1]
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iv. Unsaturated hydrocarbon [1]
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b. Is Propene a saturated or unsaturated molecule? Explain your
answer. [3]

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3. This question is about…

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e. Salad cream is an emulsion made from vegetable oil and water. In
what ways is salad cream different from both oil and water? [2]
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f. What is biodiesel, and what is it made from? [4]
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g. What is a food additive? [2]
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e. Bullet point three carbon emitters, and three carbon sinks. [6]
Carbon emitters
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Carbon sinks

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