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Identification Test for Salts

Identify the ...

Question

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

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Solution

When $K N O_{3}$ crystals are heated strongly, oxygen gas is liberated. This gas is colourless, odourless and neutral to litmus. It rekindles a glowing splinter.

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Identification Test for Salts

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