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4.2 Reactions of acids

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Question 19
H

A student adds magnesium carbonate powder to 50 cm3 of dilute nitric acid in a flask.

Which observation shows that all of the acid has reacted?

[1]
A

the solution turns from blue to colourless

B

bubbling stops and some solid remains

C

all of the solid dissolves in the acid

D

the mass of the flask and contents increases

Markscheme

4.2 Reactions of acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Reactions of acids

88 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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