When metal X is added to water, the gas Y evolved does not catch fire, but the same gas evolved on adding metal Z to water catches fire. X, Y, and Z respectively are:

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Solution

Option 'a' is the correct answer

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Similar questions

Name the gas evolved when a metal reacts with water.

Give the odour of the gas evolved and name the gas produced when sodium sulphide is added to a solution of HCI in water.

(a) Name a metal for each case:

(i) it does not react with cold as well as hot water but reacts with steam.

(ii) It does not react with any physical state of water.

(b) When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?

What happens when calcium is treated with cold water?

(i) It does not react with cold water.
(ii) Hydrogen gas evolved catches fire.
(iii) Hydrogen gas evolved does not catch fire.
(iv) Calcium floats on the surface of the water.

if a metal X is dropped in water it forms a silvery ball and deposits in the water and catchs a yellow flame. And the gas is also evolved. What is the metal and what is the gas evolved?

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