When zinc nitrate crystals are strongly heated it gives:

zinc oxide white residue and brown vapors of nitrogen dioxide gas

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zinc oxide black residue and brown vapors of nitrogen dioxide gas

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zinc oxide white residue and yellow vapors of nitrogen dioxide gas

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zinc oxide black residue and yellow vapors of nitrogen dioxide gas

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Solution

The correct option is B zinc oxide white residue and brown vapors of nitrogen dioxide gas
When zinc nitrate crystals are strongly heated, zinc oxide white residue and brown vapors of nitrogen dioxide gas are formed.

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Similar questions

Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

N O

20.3 g

5.89 g

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