Q. 34 B4.1( 10 Votes )

State one characteristic each of the chemical reaction which takes place when: (i) dilute hydrochloric acid is added to sodium carbonate
(ii) lemon juice is added gradually to potassium permanganate solution
(iii) dilute sulphuric acid is added to barium chloride solution
(iv) quicklime is treated with water
(v) wax is burned in the form of a candle

Answer :

(i) Carbon dioxide formation.

(ii) Colour change from purple to clourless.

(iii) Barium sulphate a white precipitate is formed.

(iv) Temperature change.

(v) State change from solid to liquid and gas.

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