SATHEE: S Block Elements Question 218

S Block Elements Question 218

Question: On heating anhydrous $ Na_2CO_3 $ , …….. is evolved

[CPMT 1971, 79]

Options:

A) $ CO_2 $

B) Water vapour

C) $ CO $

D) No gas

Show Answer

Answer:

Correct Answer: D

Solution:

Anhydrous form of $ Na_2CO_3 $ does not decompose on heating even to redness. It is a amorphous powder called soda ash.

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S Block Elements Question 218

Question: On heating anhydrous $ Na_2CO_3 $ , …….. is evolved

Options:

Answer:

Solution:

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