The table below gives some properties of gas D and E. (2mks)
Gas
Density
Effect on H2SO4
Effect on NaOH.
D
Lighter than air
React to form salt
Dissolve without reacting
E
Heavier than air
Not affected
Not affected
a) Describe how you would obtain a sample of gas E from the mixture of gas D and E
b) Suggest a possible identity of gas D. Give reasons for your answer. (2mks)
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Answer: a)Each component of the mixture shares the same temperature and volume. (Remember that gases expand to fill the volume of their container; gases in a mixture do that as well.) However, each gas has its own pressure.
b) In case of sulfuric acid and sodium hydroxide,acid-base neutralization reaction will happen.
Explanation:
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