Starter quiz
- Which of the following is starch made from?
- amino acids
- sugars ✓
- fatty acids
- glycerol
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- Which of the following is an enzyme?
- hydrochloric acid
- amylase ✓
- bile
- saliva
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- Which of the following can the pH of a substance tell us?
- How acidic a substance is. ✓
- The temperature of a substance.
- How alkaline a substance is. ✓
- The amount of energy a substance has.
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- What substance does iodine test for the presence of?
- 'starch' ✓
- Which of the following can be used to calculate the rate of a reaction?
- time ✓
- amount of reactants
- amount of product formed ✓
- temperature
- concentration of reactants
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- Which of the following describes the meaning of continuous sampling in the context of an experiment?
- Readings are taken at the start and end of an experiment.
- A reading is taken at the end of an experiment.
- A reading is taken at the start of an experiment.
- Readings are taken at regular intervals throughout an experiment. ✓
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