The reaction of zinc with hot concentrated caustic alkalis involve the liberation of

hydrogen gas.

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carbon dioxide gas.

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oxygen gas.

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hydrogen chloride gas.

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Solution

The correct option is A
hydrogen gas.

The reaction of zinc with hot concentrated caustic alkalis involves the formation of soluble salts and liberation of hydrogen gas.

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Similar questions

Q. When zinc metal is heated with caustic soda solution, the gas evolved is :
(1) hydrogen
(2) carbon dioxide
(3) oxygen
(4) hydrogen choride

Q. Which metal gives hydrogen gas on heating with hot concentrated alkali?

Which of the following metals reacts with both acid and hot concentrated alkalis to form hydrogen gas:

Write the balanced chemical equations for the following reactions-

(a) Sodium carbonate on reaction with hydrochloric acid in equal molar concentration gives sodium chloride and sodium hydrogen carbonate.

(b) Sodium hydrogen carbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.

(c) Copper sulphate on treatment with potassium iodide precipitates cuprous iodide $({Cu}_{2} I_{2})$ , liberates iodine gas and also forms potassium sulphate.

Which of the following metals give hydrogen gas with steam acid and caustic alkalis?

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The reaction of zinc with hot concentrated caustic alkalis involve the liberation of

The correct option is A hydrogen gas. The reaction of zinc with hot concentrated caustic alkalis involves the formation of soluble salts and liberation of hydrogen gas.

The correct option is A
hydrogen gas.

The reaction of zinc with hot concentrated caustic alkalis involves the formation of soluble salts and liberation of hydrogen gas.