Question

Tick the correct answer and fill the blanks?

Answer 1

Tick the correct answer:
Melting of ice - Reversible change.
- condensation.

1.change
2.chemical ( Because rust is
produced.)
3.chemical
4.physical ( Hydrogen and oxygen
can be again derived from
water through electrolysis.)
5.physical
6.chemical ( New substance is
produced)
7.chemical ( New substance is
produced.)
True or false:
1.False
2.true
3.true
4.true