Question

Which of the following substances when mixed together will produce table salt? [d]
a) Sodium thiosulphate and sulphur dioxide b) Hydrochloric acid and Sodium hydroxide
c) Chlorine and oxygen
d) Nitric acid and sodium hydrogen carbonate

SCERT Telangana Class 10 General Science Ch Acid Bases and Salts

Answer 1

Answer:

Option c) hydrochloric acid and sodium-hydroxide.

Explanation:

The mixture of the hydrochloric acid and the sodium hydroxide will yield the required salt or the NaCl. Since, the reaction between the acid and base always results in the formation of the salt and water. Similarly, here the acid and the base reacts to form the salt NaCl and the water.

So, the reaction will be HCl + NaOH -> NaCl + H2O whic his also balanced properly.

Answer 2

Answer:

option B : Hydrochloric acid and Sodium hydroxide

Explanation:

We know that a salt is produced when a acid reacts with base .

example

Acid + Base --->Salt +water

When Hydrochloric acid reacts with sodium hydroxide we get sodium chloride and water

Balanced equation is :

NaoH+Hcl ----> NaCl +H2O