Water as a solvent

What forces do not need to be overcome for a substance to dissolve?

• solvent-solvent attractive forces

• solute-solvent attractive forces

• solute-solute attractive forces

The most common solvent in biological systems is

• polar

• non-polar

Which of the following can dissolve in water without forming ions?

• sulfuric acid

• methanol

• hydrochloric acid

• nitric acid

Vitamins can be classified as water soluble or lipid (fat) soluble. Which of the following correctly identifies a vitamin as water or lipid soluble?

• A

• B

• C

• D

Aqueous solutions consist of _______ particles which are evenly dispersed in a _______ mixture.

• solvent, heterogenous

• solute, heterogeneous

• solvent, homogeneous

• solute, homogeneous

Which of the following represents a compound which has dissolved by ionisation?

• A

• B

Which of the following is most likely to dissolve in hexane?

• Pentane

• HCl

• Ethanoic acid

• Propanol

In soft drink, carbon dioxide is a

• solvent

• solute

• solution