5. Give an example of each of the following chemical changes.
(a) A photochemical reaction involving
(i) silver salt (ii) water
(b) A reaction involving
(i) blue solution
(ii) formation of dirty green precipitate
(c) Two gases combine to form a white solid.
(d) Two solids combine to form a liquid.
(e) A reaction where colour change is noticed.
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Two gases combine to form a white solid.
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