Question

distinguished between the following pairs of compounds using the reagent given in the brackets
Solid potassium carbonate and solid calcium carbonate (Flame test) . ​

Answer 1

Answer:

Test Sodium Carbonate Sodium Sulphite

Add dil. HCl or dil.H

2

SO

4

Colourless, odourless gas that turn lime water milky but has no effect on acidified potassium dichromate solution is released i.e., CO

2

Colourless gas with smell of burning sulphur, turn lime water milky and also turn acidified potassium dichromate green is released i.e., SO

2

gas.