CHMISTRY REVIEW TQ

Kinetic Molecular Theory is used to explain the ______________ of ________.

• behavior, particles

• behavior matter

• speed ,particles

• speed, matter

What kind of covalent bond is form between same atoms or atoms with very similar

            electronegativities?  

• ionic

• non polar covalent

• polar covalent

• covalent

Water is a polar molecule that carries partial charges ( +, -)  on its opposite sides, which

            atom has a partial positive charge?  

• Hydrogen

• Oxygen

• Helium

• Nitrogen

The substance that does the dissolving is called-_____

• water

• solute

• solvent

• solution

What is the attractive force that exist between the positive end (H) of water molecule and

            the negative end (O) of another water molecule?

• ion-dipole

• dipole-dipole

• london dispersion

• none of these

What is the strong intermolecular force of attraction that holds water molecule together

            which makes it have high boiling point.

• nitrogen bond

• oxygen bond

• Hydrogen bond

• polar bond

What is the substance that is being dissolve in a solution?  

• salt

• water

• solute

• solvent

What is the general term that expresses the quantity of solute contained in a given

           amount of solution?

• contraction

• concentration

• fraction

• boiling point

What will happen to the freezing point of water when added with salt?

• will increase

• will decrease

• will be equal

• will remain the same

If a solution is made by taking 45 mL of acetaldehyde and adding enough water to make 300 mL of solution, What is its percent by volume?