Question

Fill in the blanks.
(a) On heating,..........
expand most.
(b) There is always a.........
for a change.
(C) Chemical changes are usually.........
(d) On.............
,materials contract.​

Answer 1

Answer:

a = iron

Explanation:

b = chance

c = non Resumable

d =

Answer 2

Answer:

(A) metal

(B) cause

(C) irreversible changes

(D) cooling

Explanation:

make this answer as brainlist