Question

2

(a) In a chemistry laboratory teacher conducted an experiment, she added sodium

hydroxide solution to a solution of compound ‘A’ which is a sulphate of a metal.

It was observed that a gelatinous white ppt was obtained. Based on this answer the question that follows:

[3]

(i) Identify compound A.

(ii) Write balanced chemical equation for the above reaction.

(iii) State the type of chemical reaction.​

Answer 1

The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories. Some reactions will fit into more than one category.