Question

Any chapter is optional in science class 10​

Answer 1

Answer:

no you have to study all the chapter

all the chapter are नेसेसरी

Answer 2

Answer:

Hey,

I don't think...

Beacause in board exam any question will came from any chapter...

May be it would of 1,2,4 marks... each one mark is so important for us...

Hope it helps u..

Have a nice day..✌☀☀