Question

MATCH THE COLUMNS
Column A
1. Magnetisation of an iron needle
heat
2. Solid
vapour
cool
3. Burning of magnesium
4. Ripening of fruit
5. Rusting of iron
Column B
A. Chemical change
B. Physical change
C. Irreversible change
D. Moist air
E. Reversible change​

Answer 1

Answer:

Column I Column II

a) Large Crystals (iv) Sugar candy (Mishri)

b) Depositing a layer of Zinc on Iron (vi) Galvanization.

c) Souring of milk (v) Chemical change

d) Carbon-di-oxide (i)Turns lime water milky

e) Iron oxide (iii) Rust

f) Dissolving common salt in water (ii) Physical change

Answer 2

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1>>A

2>>E

3>>B

4>>C

5>>D