WAEC Chemistry 2010 Theory — Question 25

Question 25 of 46 from the West African Examinations Council (WAEC) Chemistry 2010 Theory paper, with the correct answer and a full explanation.

4a(i) Give the two reasons why soda lime is used instead of caustic soda in the preparation of methane.

Model answer

Soda lime does not attack glass apparatus (soda lime is not deliquescent, unlike caustic soda which is corrosive to glass and hygroscopic).

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