Question

(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.

Answer 1

The acid and base whose combination forms the common salt that we use in our food are Chlorine and Sodium.

The chemical name of this salt is Sodium Chloride. Its formula is

NaCl. 2Na + Cl2 = 2 NaCl

Sodium Chloride naturally occurs in various food items and is extracted from there. It is also present in nature in abundance.

Answer 2

Answer:

Explanation:(a) Hydrochloric acid and sodium hydroxide.

NaOH + HCI → NaCI + H2O

NaCI, sodium chloride, Ocean water.

(b) Deposits of solid salt are found in several parts of the world. These large crystals are called rock salt Colour of rock salts is brown, due to impurities.

c)2NaCl + 2H20----electricity--->2NaOH+ Cl2+ H2

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