Question

How will you distinguish between dil?HCl and NaOH solution contained in two test tubes using baking soda?Explain​ it.​

Answer 1

Explanation:

HCl is acid , Baking Soda (NaHCO3) is base.

if HCl react with NaHCO3 then a correspondent salt will form.

In this way u can distinguished between two test tubes