Question

Date-1/10/20 (Thursday)
Science Revision-
Q1Write the properties,uses, examples of-
a.Acids
b.bases
c.Salts.
Q2 - Make a flow chart on Types of indicators by using colour pen.​

Answer 1

Explanation:

properties of acid.

1.acid have sour taste

2.acids are not soapy to touch

3.acid turn blue litmus to red.

properties of base.

1.base have bitter taste.

2.bases are soapy to touch.

3.bases turn blue litmus to red.

uses of salt.

1,common salt is used in cooking foods to improve the flavor of food.

2.common salt is used in manufacturing of soap.

3.common salt is used for melting ice in cold country.

example of salt.

sodium chloride, magnesium sulphate.

uses of base.

1.sodium hydroxide is used for manufacturing of soap paper.

2,calcium hydroxide is used in the manufacturing of bleaching powder.

example.

sodium hydroxide, calcium carbonate.

uses of acid.

1. sulphuric acid is used to manufacture of fertilizers.

2.hydrochloric acid is used to remove oxide layer from steel objects.

example.

sulphuric acid, nitric acid..

hopefully this will help you..