Question

A. Tick the most appropriate answer.
Which of the following is the purest form of natural water?
a. rainwater
b. sea water
c. well water
d. river water
2. Which of the following is not a source of surface water?
a oceans
b. rivers
c. wells
d. lakes
3. Which of the following is not soluble in water?
a. sugar
b. charcoal
c. salt
d. copper sulphate
4. What is a substance in which a solute is dissolved called?
a. water
b. solution
c. solvent
d. none of these
5. Which of the following generally increases the solubility of solutes in water?
a. stirring
b. heating
c. both a and b
d. neither a nor b
6. Which of the following causes water pollution?
a. sewage
b. insecticides
c. oil spills
d. all of these​

Answer 1

Answer:

1-A 2-D 3-C 4-D 5-C answer

Answer 2

A.

1. a)

2.c)

3.b)

4.c)

5.c)

6.d)

These are the correct answers

You know bt$?

----SUGA