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Water and Solutions Quiz

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

The chemical formula of water is:

a)

H2O

b)

H2O2

c)

HO2

d)

OH

2.

What type of bond is between the oxygen and hydrogen in water?

a)

covalent

b)

ionic

c)

metallic

d)

oxygen

3.

When water molecules stick together creating surface tension it is called

a)

cohesion

b)

adhesion

c)

belly flop

d)

cannon ball

4.

In water, which of the atoms is a bully and does not share electrons well

a)

hydrogen

b)

alkaseltzer

c)

oxygen

d)

both

5.

Water molecules stick to other molecules it is called

a)

sticky

b)

cohesion

c)

adhesion

d)

water

6.

Water is called the universal solvent because it can dissolve:

a)

all substances

b)

most substances

c)

a few substances

d)

no substances

7.

It takes a lot of ___________ to change the temperature of water.

a)

swimming

b)

diving

c)

water

d)

heat

8.

Water makes up what percentage of the surface of the Earth?

a)

70%

b)

25%

c)

50%

d)

95%

9.

Water makes up what percentage of the human body?

a)

70%

b)

50%

c)

40%

d)

90%

10.

If a point on the solubility curve graph is ON the curve line, it means what?

a)

It is saturated.

b)

It is unsaturated.

c)

It is supersaturated.

d)

You need more sugar in your tea.

11.

If you dissolve 80 grams of Pb(NO3)2 in 100 grams of water at 60 degrees C, what type of solution will you have?

a)

supersaturated

b)

saturated

c)

unsaturated

d)

none of the above