Question

A. Tick (7) the correct option:
1. The method of separating insoluble impurities by allowing them to settle down.
(a) Filtration
(b) Decantation
(c) Sedimentation (d) Distillation
2. Which of the following is known as a universal solvent?
(a) Water
(b) Gas
(c) Air
(d) Fire
3. Oceans contain
(a) 98% of the earth's water
(b) 97% of the earth's water
(c) 95% of the earth's water
(d) 99% of the earth's water
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Answer 1

Answer:

i) Sedimentation

ii) Water

iii) 97%

Answer 2

Answer:

1. sedimentation

2.water

3.97% of the Earth's water