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Rates of reaction

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Question 62

Zinc metal reacts with dilute sulfuric acid to produce hydrogen gas.

The rate of reaction between zinc and dilute sulfuric acid at 20degC was investigated.

The investigation was carried out using different sizes of zinc pieces, while keeping the total mass of zinc and all other conditions constant.

The results are shown in Table 1.

Table 1

Size of zinc pieces usedVolume of hydrogen gas produced in three minutes in cm3\text{cm}^3cm3
Large granules12
Small granules35
Zinc powder72

State, using the information in Table 1, the effect of the surface area of the zinc on the rate of this reaction.

[1]

Rates of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /Rates of reaction

Practise Edexcel GCSE Chemistry Rates of reaction with exam-style questions for Foundation and Higher tier. 166 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank