(i) I. Oxidation
II. B - Ethene
C - Sodium ethanoate
(ii) To bring the reacting particles in close contact for the reaction to occur
johnmulu answered the question on May 25, 2017 at 08:34
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Give:
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(b) One industrial use of the polymer.
Date posted: May 25, 2017. Answers (1)
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(ii) Name one chemical substance added in step II.
(iii) What is the purpose of adding the chemical substance named in (ii) above.
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Date posted: May 25, 2017. Answers (1)
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Give a reason for the answer.
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Date posted: May 19, 2017. Answers (1)
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(i) Substance C1
(ii) Process D1
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(b) Name one use of zinc other than galvanizing
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Name
(i) One of the substance in the slag.
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(iii) One gas which is recycled.
Date posted: May 16, 2017. Answers (1)
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Below is a simplified diagram of Downs cell used for the manufacture of sodium. Study it and answer the questions that follow.
(i) What material is the anode made of? give a reason
(ii) What precaution is taken to prevent chlorine and sodium from re-combining?
Date posted: May 16, 2017. Answers (1)