Question

Marking scheme of science chapter wise class 10 cbse 2020

Answer should be relevant ​

Answer 1

Chemical substances-nature and behaviour includes:

1- chemical reactions

2-acid bases and salts

3-metals and nonmetals

4-carbon compounds

5-periodic classification of elements

The word of living includes:

1-life processes

2-control and coordination

3-reproduction

4-heredity and evolution

Natural phenomenon includes:

1-light: reflection and refraction

2- human eye and its colourful world

How things work includes:

1-effects of current

2-magnetic effect of current

Natural resources includes:

1-sources of energy

2-our environment

3-management of natural resources

This is marking scheme of science chapter wise. hope it helps