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Introducing chemical reactions

Introducing chemical reactions

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Question 3

Why can the measured mass of a reaction mixture in an open beaker increase?

A

One of the reactants is a gas from the surrounding air.

B

One of the products is a gas.

C

One of the reactants is a liquid.

D

One of the products is a solid.

Markscheme

Introducing chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Introducing chemical reactions

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

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