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Properties Of Water

Test Description: VA SOL 6.5

Instructions: Answer all questions to get your test result.

1) The tightness across the surface of water that is caused by polar molecules pulling on each other is called —

Acapillary action Bsurface tension Cuniversal solvent Dcondensation

2) Water is able to dissolve many substances, and is commonly known as the —

Auniversal compound Buniversal solute Cuniversal solvent Duniversal element

3) Which statement explains why water molecules stick together?

ABoth sides are negative BOne side has a positive charge and the other side has a negative charge COne side has a negative charge and the other side has a neutral charge DBoth sides are positive

4) The only substance on Earth that commonly exists in all three different states is —

ASalt BOil CWater DSugar

5) The most powerful agent of weathering and erosion is_____.

Agrass Bwater Cwind Dsoil

6) Approximately what percentage of the Earth's water is fresh water?

A75% B3% C25% D97%

7) Why is water known as the universal solvent?

AIt dissolves the greatest number of substances BIt dissolves only solid substances CIt dissolves substances faster than all other solvents DIt dissolves all known substances.

8) How many atoms of hydrogen does a molecule of water contain

A1 B0 C3 D2

9) All of the following are examples of surface tension EXCEPT —

Araindrops forming round beads when they fall on a car windshield Bathletic clothing that allows you to keep cool Can insect “walking” on water Ddropping paper clips into a full glass of water

10) Which of the following is not a property of water?

Aexists only as a liquid Bsurface tension Cuniversal solvent Dpolar molecule

*select an answer for all questions

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