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The scheme below was used to prepare a cleansing agent. Study it and answer the questions that follow.

      

The scheme below was used to prepare a cleansing agent. Study it and answer the questions that follow.
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(i) What name is given to the type of cleansing agent prepared by the method shown in the scheme?
(ii) Name one chemical substance added in step II.
(iii) What is the purpose of adding the chemical substance named in (ii) above.
(iv) Name one other suitable substance that can be used in step I
(v) Give one advantage of using the cleansing agent above.

  

Answers


John
(i) Soapy detergent.

(ii) Sodium chloride

(iii) To solidify the cleansing agent hence separate it from the alcohol

(iv) Potassium hydroxide.

(v) - It is cheap
- Biodegradable
johnmulu answered the question on May 25, 2017 at 06:47


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