Question

pinch of sodium carbonate is added into dilute hydrochloric acid in a test tube. sodium chloride and water formed remain in the solution ehereas carbon dioxide escapes out. the yube is found to become hot. how will the reaction occur and how it can be made more informative.?

Answer 1

Hi friend,

Your answer:

To make it more better and informative, you can add :-

On adding a pinch of sodium carbonate is added into dilute hydrochloric acid in a test tube, strong effervescence is observed.

Reason:-
Evolution of carbon dioxide.

Reaction:-
Na2co3 + 2HCl  ->  2NaCl + H2O + CO2

Hope it helps!

Answer 2

Answer:

To make it more better and informative, you can add :-

On adding a pinch of sodium carbonate is added into dilute hydrochloric acid in a test tube, strong effervescence is observed.

Reason:-

Evolution of carbon dioxide.

Reaction:-

Na2co3 + 2HCl  ->  2NaCl + H2O + CO2.