C1B Practice Exam for AQA Science B

Contains essential questions for your C1 AQA Science exam.

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  • Created on: 14-06-11 12:54
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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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c. What is the process by which iron can be extracted? [4]
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d. Write three equations that occur in this process. [6]
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e. Define:
i. Alloy [1]
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ii. Ore [1]
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f. Why can't we use displacement to get aluminium and titanium? [2]
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g. Give two properties of each of the metals above. [4]
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Ti...............................................................................................................
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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 plant oils.
a. Write down two ways that can be used to extract vegetable oils
from plants. [2]
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b. Write down the equation for photosynthesis and balance it. [2]
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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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4. This question is about a changing world.
a. The core is made of nickel and iron the inner being solid and the
outer being liquid. What proof do we have for this? [3]
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Bullet point three carbon emitters, and three carbon sinks. [6]
Carbon emitters
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Carbon sinks
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