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Identifying the products of chemical reactions

Identifying the products of chemical reactions

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Question 3

A damp piece of blue litmus paper is placed into a test tube containing an unknown gas. The litmus paper first turns red, and then is bleached white.

Which gas is present in the test tube?

A

Ammonia

B

Carbon dioxide

C

Chlorine

D

Hydrogen

Markscheme

Identifying the products of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Identifying the products of chemical reactions

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

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