Question

C. well water
b. sea water
which of the following is not a source of surface water?
2. rainwater
d. river water
b. rivers
a oceans
c. wells
d. lakes
b. charcoal
C. salt
2 sugar
d. copper sulphate
2 water
d. none of these
b. solution
c. solvent
Which of the following generally increases the solubility of solutes in water?
2 stirring
b. heating
c. both a and b
& Which of the following causes water pollution?
a sewage
b. insecticides
c. oil spills
d. neither a norb
d. all of these
4 Tick the most appropriate answer.
Which of the following is the purest form of natural water?
Which of the following is not soluble in water?
What is a substance in which a solute is dissolved called?​

Answer 1

Explanation:

1.B

2.C

3.A

4.B

5.B

6.C

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