Question

Match the column I and II and select the correct option from the given codes.
Column I
Changes
P.Rusting of iron
Q. of metal Expansion rim
R. Sharpening of pencil
S. Cooking of food

Column II
Types of changes
(i) Chemical change
(ii) Physical change
(iii) Reversible change
(iv) Irreversible change

(P) (Q) (R)
(a) (i), (iii) (a) (ii), (iv) (a) (ii), (iii)
(b) (i), (iv) (b) (ii),(iii) (b) (ii), (iv)
(c) (i), (iv) (c) (i), (iii) (c) (i), (iv)
(d) (i), (iv) (d) (ii), (iii) (d) (i), (iii)
(S)
(a) (ii), (iv)
(b) (i), (iv)
(c) (ii), (iii)
(d) (i), (iv)

Answer 1

(P) answer is (a)
(Q) answer is (b)
(R) answer is (c)
(S) answer is (b)