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1 November, 20:32

A sample of air is slowly passed through aqueous Sodium hydroxide and then over heater copper.

Which gases are removed by this process?

a) Carbon dioxide and water vapour

b) Carbon dioxide and oxygen

c) Nitrogen and oxygen

d) Nitrogen and water vapour

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Answers (1)
  1. 1 November, 22:09
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    A sample of air is slowly passed through aqueous Sodium hydroxide and then over heater copper Carbon dioxide and oxygen.
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