Water Exam

Question 1

Polarity

Answer 1

When a molecule has a slight positive charge(hydrogen) on one side and a slightly negative charge on the other side.(oxygen)

Ex.Battery

Question 2

Cohesion

Answer 2

When water molecules stick together

Ex.Water on a penny

Question 3

Adhesion

Answer 3

When water sticks to another surface.

Ex.Water sticks to glass creating a curved surface.

Question 4

Surface tension

Answer 4

The pull of molecules on top of water that allow it to resist externally forces.

Ex. paperclip on water

Question 5

Hydrogen Bond

Answer 5

A week attraction between a hydrogen atom and another atom such as nitrogen or oxygen

ex.Water

Question 6

Capillary Action

Answer 6

Liquid substance moving up a solid surface because of adhesion even against gravity.

Ex. Water moving up a stock of cellary

Question 7

Hydrophobic

Answer 7

Substance that doesn’t mix with water.

Ex.Oil

Question 8

Hydrophilic

Answer 8

Substance that mixes well with water

Ex. Salt & Sugar

Question 9

Solution

Answer 9

Mixture where one substance devolves another
ex.tea

Question 10

Solvent

Answer 10

Substance that dissolves another.

Ex.Water

Question 11

Solute

Answer 11

Substance that gets dissolved
Ex.Tea leaves/bag