A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid in it. He observes:(a) No reaction in the test tube. (b) Colourless gas with pungent smell.(c) Bubbles of a colourless and odourless gas. (d) White fumes with smell of vinegar.


Correct answer: (c) Bubbles of a colourless and odourless gas.  

Explanation: Na2CO3 reacts with acetic acid to evolve carbon dioxide gas, which is a colourless and odourless gas. 

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Updated on: 10-Oct-2022

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