Question

Q3. (a) Identify the acid and the base whose combination forms the common salt that you use in your food. Write its formula and chemical name of this salt. Name the source from where it is obtained. (b) What is rock salt? Mention its colour and the reason due to which it has this colour. (c) What happens when electricity is passed through brine? Write the chemical equation for it.

Answer 1

Answer:

QUESTION :- 1)

a. Acid :- HCl

Base :- NaOH

b. HCl + NaOH --- NaCl + H2O

c. Chemical name :- Sodium Chloride

d. It is obtained from the sea water.

QUESTION :- 2)

a. It is a type of salt , the mineral form of sodium chloride .It is also known as Halite.

b. It is brown in colour.

c. It is due to the impurities mixed with water.

QUESTION :- 3)

a. When electric current is passed through brine , hydrogen gas is evoloved on the anode , chlorine gas is evolved on cathode and Sodium Hydroxide is formed in the electrolysing solutions.

b. Equation = 2NaCl + 2H2O ------ 2NaOH + Cl2 +

H2

I HOPE IT WILL HELP YOU

AND IF IT HELPED THEN PLEASE MARK IT AS THE BRAINLIEST ANSWER.