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Controlling reactions

Controlling reactions

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Question 15

Why does a piece of magnesium ribbon react faster with hot sulfuric acid than with cold sulfuric acid?

A

The hot sulfuric acid acts as a catalyst.

B

The hot sulfuric acid has more crowded particles.

C

The hot sulfuric acid has particles with more energy.

D

The hot sulfuric acid has particles that move slower.

Markscheme

Controlling reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Controlling reactions

31 exam-style questions on OCR GCSE Chemistry Controlling reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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