What is acids? Give any two examples.
Acids are those chemical substances that gives hydrogen ions when dissolved in water.
For example: HCl -----> H+ + Cl-
H2SO4 -----> 2H+ + SO4--
How do we bring acids in domestic use? Give any three examples.
We bring acids in domestic use by following way:
i. It is used for preserving and flavoring foods.
ii. It is used for washing eyes and wounds.
iii. It is used in soft drink and soda water.
iv. It is used to make pickle.
v. It is used in medicine as the source of vitamin C.