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3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

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Question 3
F76%

Marble chips react with dilute hydrochloric acid in a conical flask standing on a balance. The balance reading falls during the reaction. Which change would stop the balance reading falling?

[1]
A

Using smaller marble chips in the flask

B

Fitting a rubber stopper into the flask

C

Using more dilute hydrochloric acid in the flask

D

Standing the flask in a beaker of warm water

Markscheme

3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations Questions

  1. GCSE
  2. /Chemistry
  3. /3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

40 exam-style questions on AQA GCSE Chemistry 3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, covering 3.1.1 Conservation of mass and balanced chemical equations, 3.1.2 Relative formula mass, 3.1.3 Mass changes when a reactant or product is a gas, and 3.1.4 Chemical measurements. Each one has a worked solution and a mark scheme showing where the marks go.

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