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7.1 Group 1

7.1 Group 1

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Question 6
H

2.30 g of sodium reacts completely with water.

2Na+2H2O→2NaOH+H2\mathrm{2Na + 2H_{2}O \rightarrow 2NaOH + H_{2}}2Na+2H2​O→2NaOH+H2​

Relative atomic mass: Na = 23. One mole of any gas occupies 24 dm3\mathrm{dm^{3}}dm3 at room temperature and pressure.

What volume of hydrogen, at room temperature and pressure, is produced?

[1]
A

0.600 dm30.600\,\mathrm{dm^{3}}0.600dm3

B

1.20 dm31.20\,\mathrm{dm^{3}}1.20dm3

C

2.40 dm32.40\,\mathrm{dm^{3}}2.40dm3

D

4.80 dm34.80\,\mathrm{dm^{3}}4.80dm3

Markscheme

7.1 Group 1 Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Group 1

75 exam-style questions on Edexcel GCSE Chemistry 7.1 Group 1, covering 7.1.1 Classifying elements by group in the periodic table and 7.1.2 Properties and reactions of the alkali metals. Each one has a worked solution and a mark scheme showing where the marks go.

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