exam qs lqc 4

Question 1

Explain why water is a good solvent.

Answer 1

water is a polar molecule, water surrounds polar molecules allowing them to dissolve, hydrogen bonds form

Question 2

water is described as a dipolar molecular because it has a

Answer 2

positively charged hydrogen end and a negatively charged oxygen end

Question 3

Explain how the properties of water molecules result in surface tension

Answer 3

water molecules are polar, therefore form hydrogen bonds, therefore are cohesive, which results in net inward force as its surface