On heating anhydrous N a 2 CO 3- is evolvedA- No gasB- Water vapour C- CO 2D- CO

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Standard VII

Chemistry

Permanent Hardness

On heating an...

Question

On heating anhydrous $N a_{2} C O_{3}$ , ___ is evolved

CO₂

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Water vapour

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No gas

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Solution

The correct option is D
No gas

Anhydrous form of $N a_{2} C O_{3}$ does not decompose on heating. It is an amorphous powder called soda ash.

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On heating anhydrous Na2CO3, ___ is evolved

The correct option is D No gas Anhydrous form of Na2CO3 does not decompose on heating. It is an amorphous powder called soda ash.

On heating anhydrous $N a_{2} C O_{3}$ , ___ is evolved

The correct option is D
No gas

Anhydrous form of $N a_{2} C O_{3}$ does not decompose on heating. It is an amorphous powder called soda ash.