Water and Chemical Solutions Quiz

How many Hydrogen atoms does a single water molecule have?

• 1

• 2

• 3

• 4

What does "polar" mean?

• A molecule is cold

• A molecule has areas of positive and negative charge

This atom in a water molecule has more of a negative charge

• hydrogen

• oxygen

Polar molecules have

• no charges.

• slight positive and negative charges on opposite ends of the molecules.

• only positive charges.

• either positive or negative charges, but not both.

Which of the following can water NOT dissolve?

• Ionic Compounds

• Polar Compounds

• Nonpolar Compounds

Which of the following is an example of COHESION?

• water sticking to water

• water sticking to glass

• oil sticking to plastic

• hydrogen sticking to oxygen

Why does ice float?

• water expands when it freezes, making ice less dense than liquid water

• water compacts when it freezes, making ice more dense than water

• hydrogen bonds in water push the ice to the surface

• ice is afraid of water, and avoids it

The parts of a solution are the

• Salt and vapor

• Solvent and solid

• Solute and water

• Solute and solvent

• solvent

• solute

• solute

• solvent

• solution