Question

What is base and base

Answer 1

a base is a chemical which reacts with an acid to give out salt and water as the only products. They give out OH- ions when dissolved in water.

Answer 2

Bases are soapy to touch and if the red litmus turns to blue litmus it is also called as base

Example for bases :-

Baking soda

Soap

Milk of magnesia

Ammonia

Caustic soda

Shampoo

Detergent soap

Uses of Bases :-

Removing of grease stain - Ammonium Hydroxide

Soap contains - Potassium Hydroxide,Sodium Hydroxide

Bleaching Powder - Calcium Hydroxide

Fire Extinguisher - Aluminum Hydroxide

Properties of Bases :-

1.Bases are bitter to taste

2.They react with acids forming salts

Basic salts :-

Calcium carbonate

sodium acetate

sodium bi carbonate

Sodium Carbonate