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--
The taste of sodium chloride is salty. Why?
Sodium chloride stimulates the taste buds of our tongue that detects the salty taste. So, sodium chloride is salty