Properties of Water

Pure water have following the characteristics, they are :

• odourless

• density = 1 g/cm3

• boiling point = 102 degree celcius

• freezing point = 0 degree celcius

• white colour

Surface tension of water is the cohesive force between water molecule and other molecule.

• True

• False

Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon __________________ occur.

• surface tension

• capillary action

• float on water

• photosynthesis

Tags

NGSS.HS-ESS2-5

Water exists in this forms :

• Gas

• Plasma

• Liquid

• Solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Water is a compound that consist of 3 atom which is 2 atom oxygen and 1 atom hydrogen

• True

• False

In a water molecule the hydrogen and oxygen atoms hold together by sharing _________.

• protons 
• neutrons
• electrons
• nuclei

Tags

NGSS.MS-PS1-1

Which end of the water molecule has a slightly positive charge?

• the oxygen end
• the hydrogen end
• both ends are slightly positive
• neither end is positive

Tags

NGSS.HS-PS1-3

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.HS-PS1-3

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

When water molecules stick easily to other water molecules, this is called what?

• cohesion
• adhesion
• solution
• polar molecule