Sodium _____ on heating with copper turnings and concentrated sulphuric acid gives coloured gas.

Sulphate

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Sulphide

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Chloride

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Nitrate

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Solution

The correct option is D Nitrate

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Similar questions

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	Column A	Column B
1.	A substance that turns moist starch iodide paper blue.	A. Ammonium sulphate
2.	A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	B. Lead carbonate
3.	A solution of this compound gives a dirty green precipitate with sodium hydroxide.	C. Chlorine
4.	A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride.	D. Copper nitrate
5.	A white solid which gives a yellow residue on heating.	E. Ferrous sulphate.

	Column A	Column B
(i)	A substance that turns moist starch iodide paper blue.	Ferrous sulphate
(ii)	A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	Chlorine
(iii)	A solution of this compound gives a dirty green precipitate with sodium hydroxide.	Copper nitrate
(iv)	A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride.	Lead carbonate
(v)	A white solid which gives a yellow residue on heating.	Ammonium sulphate

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