Question

1. Fill in the blanks with the correct words from the brackets.
1. Iron benches kept in lawns and gardens get ________
is a chemical change.
(rusted/galvanised)
2. Formation of rust on a bicycle rim is a _________
change. (physical/chemical)
3. Bursting of a fire cracker is a
________ change. (slow/fast)
4. The formation of day and night is a ___________
change. (periodic/non-periodic)
5. When a solid dissolves in a liquid, the volume of the liquid
_____(changes/do not change)​

Answer 1

Answer:

1 galvanised

2 chemical

3 non periodic

4 don't change