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 Form 4 Chemistry Paper 2 Sample Revision Questions With Answers

The flow chart below illustrates two industrial processes. Study it and answer the questions that follow.
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a).Name of the process by which air is separated into oxygen and nitrogen.
b) Identify the substances which are represented by the letters. A, B, C, D, E, and F
c) (i) Name the catalyst involved in the formation of A and E.
(ii) Explain the role of the catalysts named in (c) above.
(d) (i) Write the chemical equation for the reaction taking place in the absorption tower.
(ii) Why is it not advisable to use hard water to produce sulphuric acid?
(e) (i) What property of concentrated sulphuric acid makes it suitable for the preparation of nitric (v) acid and
hydrogen chloride?
(ii) Write chemical equations for the reaction of zinc metal with dilute sulphuric acid and concentrated sulphuric acid.

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