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4.2 Identifying the products of chemical reactions

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Question 9

A laboratory investigates the gases formed when a fuel burns in air.

One of the gases is bubbled through limewater. The limewater turns milky.

A technician concludes:

"The milky limewater shows that the fuel contains carbonate ions."

Evaluate the technician's conclusion.

[2]
Markscheme

4.2 Identifying the products of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Identifying the products of chemical reactions

107 exam-style questions on OCR GCSE Chemistry 4.2 Identifying the products of chemical reactions, covering 4.2.1 Tests to identify gases, 4.2.2 Tests for aqueous ions and flame tests, and 4.2.3 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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