Question

4. A change in which a new substance with different properties is formed is called
a) physical change
b) chemical change
c) reversible change
d) natural change of the matter.

5. A physical change does not alter the
a) size
b) shape
c) the composition
d) colour

6.
is an example of a desirable change.
a) Rotting of food
b) Ripening of fruits
c) Cyclone
d) Cloudburst

7.is an example of a reversible change.
a) Melting of ice
b) Formation of curd from milk
c) Burning of fuel
d) Cooking food

8. Breaking of glass is a/an
a) desirable
change.
b) irreversible
c) reversible
d) chemical

9. Formation of rock is a
type of a change.
a) manmade
b) fast
C) slow
d) reversible​

Answer 1

Answer:

4 ANSWER

CHEMICAL CHANGE

5 ANSWER

THE COMPOSITION

6 ANSWER

FORMATION OF CURD FROM MILK