NCERT Exemplar III — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

Answer the following multiple choice questions:

1. Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal

(ii), (iii) and (iv)
(i), (ii) and (iv)
(i), (ii) and (iii)
(i), (iii) and (iv)

2. Which of the following are chemical changes?
(i) Decaying of wood
(ii) Burning of wood
(iii) Sawing of wood
(iv) Hammering of a nail into a piece of wood

(i) and (ii)
(iii) and (iv)
(ii) and (iii)
(i) and (iv)

Previous exercise

Exit to the topic

Next exercise

Send feedback

Did you find an error?

Send it to us!

19. NCERT Exemplar III

Exercise condition: