Question

a solution in test tube x turns red litmus blue, evolves hydrogen on reaction with Zn and does not react with sodium carbonate, whereas solution in test tube Y turns blue litmus red, liberates hydrogen on reaction with Zn and CO2 with Na2CO3. Identify the solution in test tubes X and Y

Answer 1

The solution in X is Sodium Hydroxide (NaOH)

The solution in Y is Hydrogen Chloride (HCl)

Answer 2

Test tube X contains base as it turns red litmus blue .

Test tube Y contains acid as it turn blue litmus into red