Q2 of 16 Page 16

Why does lime water turn milky when reacted with CO2?

On reacting lime water with CO2, it turns milky due to formation of insoluble white precipitate of calcium carbonate.


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1

AIM

To study or the following properties or acetic acid (ethanoic acid):


(i) Odour


(ii) Solubility in water


(iii) Effect on litmus


(iv) Reaction with sodium hydrogen carbonate

 1

Mention the changes when acetic acid is added to distilled water and sodium hydrogen carbonate powder.

 3

Mention two uses of acetic acid.

 4

Which test signifies the acidic nature of acetic acid?