Water and Solubility

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

• True

• False

Surface tension of the water is the cohesive force between water molecule on the surface of water.

• True

• False

Tags

NGSS.HS-ESS2-5

Water exists in this forms :

• Gas

• Plasma

• Liquid

• Solid

Large bodies of water do not quickly fluctuate in temperature. Why?

• Water is a solvent.
• Water has a high heat capacity.
• Water acts as a buffer.
• Water is non-polar.

Tags

NGSS.HS-PS3-4

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion
• capillary action
• surface tension
• polarity

Which statement explains why water molecules stick together?

• both sides are negative

• one side has a partial positive charge and the other side has a partial negative charge

• one side has a negative charge and the other side has a neutral charge

• both sides are positive

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds