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Properties of Carbon Dioxide

Identify the ...

Question

Identify the gas evolved when:
A few crystals of $K N O_{3}$ are heated in a hard glass test tube :

A

oxygen

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B

nitrogen

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C

nitrogen dioxide

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D

ozone

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Solution

The correct option is A oxygen
A few crystals of $K N O_{3}$ are heated in a hard glass test tube the gas evolved is oxygen gas.

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