Question

1.Solutions with low concentration of solutes are
a)concentrated solutions
b)dilute solutions
c)kerosene oil in water
d)None of these.
2.What happens when a saturated solution is cooled?
a)it becomes unsaturated
b)it remains unaffected
c)it becomes supersaturated
d)it becomes transparent.
3.Liquids like ether and acetone are kept in cool places because
a)ether and acetone have high boiling points
b)the rate of evaporation increases with surface area
c)ether and acetone are volatile liquids with low boiling points
d)ether and acetone have lower density than water.
4.The water spilled on the floor evaporates faster than the water in a glass due to
a)increase in surface area
b)increase in temperature
c)increase in humidity
d)decrease in kinetic energy.

Answer 1

Answer:

1.dilute solutions

2. it becomes supersaturated

3. C

4. increase in surface area

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Answer 2

Answer:

Explanation:

Answer:

1.dilute solutions

2. it becomes supersaturated

3. C

4. increase in surface area

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