AQA (9-1) Chemistry Only Paper 1

1

Which of the following statements about fuel cells is false?

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Which of the following are advantages of fuel cells?

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The overall reaction in a hydrogen fuel cell involves the oxidation of hydrogen to produce water.

1

Simple chemical cells work because the metals used have different reactivities.

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If a reaction should produce 50 g of product, but only produces 42 g, calculate the percentage yield (2 s.f.): %

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What is the atom economy for this reaction, where hydrogen is the desired product (give your answer to 2 s.f.)? %

1

The pathway chosen for a product depends on factors such as (select all that apply):

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When completing a titration, you will have multiple readings which you need to calculate an average reading for.
It is important that the titres you include in your calculation are .

1

Which of the following is not a worry of nanoparticles?

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Compared to other metals, most transition metals have the general properties of:

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The group 1 elements react quickly with oxygen in the air at room temperature. Most transition elements react slowly, or not at all, with oxygen at room temperature.

GCSE Chemistry (AQA) Quiz on AQA (9-1) Chemistry Only Paper 1, created by https:// revisechemistry.uk on 16/04/2019.

AQA (9-1) Chemistry Only Paper 1

AQA (9-1) Chemistry Only Paper 1

Which of the following statements about fuel cells is false?

Which of the following are advantages of fuel cells?

The overall reaction in a hydrogen fuel cell involves the oxidation of hydrogen to produce water.

Simple chemical cells work because the metals used have different reactivities.

If a reaction should produce 50 g of product, but only produces 42 g, calculate the percentage yield (2 s.f.): %

What is the atom economy for this reaction, where hydrogen is the desired product (give your answer to 2 s.f.)? %

The pathway chosen for a product depends on factors such as (select all that apply):

When completing a titration, you will have multiple readings which you need to calculate an average reading for. It is important that the titres you include in your calculation are .

Which of the following is not a worry of nanoparticles?

Compared to other metals, most transition metals have the general properties of:

The group 1 elements react quickly with oxygen in the air at room temperature. Most transition elements react slowly, or not at all, with oxygen at room temperature.

When completing a titration, you will have multiple readings which you need to calculate an average reading for.
It is important that the titres you include in your calculation are .