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 Form 4 Chemistry Paper 2 Sample Revision Questions With Answers

Study the flow chart below and answer the questions that follow.
a).State three identities of solid K.
b).Explain using 3 equations how Sulphur (IV) oxide is obtained in contact process.
c).Name two impurities present in the gaseous mixture and suggest how they can be eliminated.
d).Identify the catalyst used in the catalytic converter and state two reasons why it is preferred.
e).Explain why Sulphur (VI) oxide is not absorbed directly into water.
f).Write balanced chemical equations for the reactions taking place at:
i).The catalytic converter
ii).Absorption tower.

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