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Identifying the products of chemical reactions

Identifying the products of chemical reactions

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Question 9

During the reaction of solid sodium bromide with concentrated sulfuric acid, a mixture of gases and vapours is evolved. One of these gaseous products, Gas XXX, is a choking, colourless gas that turns moist blue litmus paper red, and turns a filter paper soaked in acidified potassium dichromate(VI) from orange to green.

Which of the following is Gas XXX?

A

HBr\text{HBr}HBr

B

SO2\text{SO}_2SO2​

C

Br2\text{Br}_2Br2​

D

H2S\text{H}_2\text{S}H2​S

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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