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10.1 Qualitative analysis: tests for ions

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Question 8
F

What positive result confirms carbonate ions after adding dilute acid?

[1]
A

Bubbles of a gas that relights a glowing splint

B

Bubbles of a gas that turns limewater milky

C

A red-brown precipitate forms in the solution

D

A lilac colour when tested in a flame

Markscheme

10.1 Qualitative analysis: tests for ions Questions

  1. GCSE
  2. /Chemistry
  3. /10.1 Qualitative analysis: tests for ions

35 exam-style questions on Edexcel GCSE Chemistry 10.1 Qualitative analysis: tests for ions, covering 10.1.1 Principles of ion tests and flame tests, 10.1.2 Tests for cations and for ammonia, 10.1.3 Tests for anions, 10.1.4 Identification of ions in unknown salts, and 10.1.5 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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