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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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Answer» Answer(i) Blue solutionFe+CuSO 4(aq) ⟶ GREEN solutionFeSO 4 +CU (ii) FeSO 4 +2NaOH⟶ Dirty greenppt.Fe(OH) 2 +NA 2 SO 4(aq) |
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