MODULE 3: Properties of Water

Question 1

Why do ice floats on water?

Answer 1

Water molecules of ice cube expand that decreases its density

Question 2

Which of the following physical property of a liquid explains why fishes in the lakes of colder regions can survive? on water?

Answer 2

due to high surface tension on the water

Question 3

What refers to the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C)?

Answer 3

Cohesion

Question 4

What type of intermolecular force holds the molecules of water together?

Answer 4

Hydrogen Bond

Question 5

Which of the following best describes a hydrophobic compounds?

Answer 5

nonpolar and doesn’t dissolve on the water

Question 6

water-hating

Answer 6

hydrophobic

Question 7

water-loving

Answer 7

hydrophilic

Question 8

what concept help explain why water can travel up a narrow tube?

Answer 8

adhesion and cohesion

Question 9

Which of the following explains why water is a universal solvent?

Answer 9

due to the high specific heat of water

Question 10

What type of intramolecular force holds the atoms of water together?

Answer 10

Covalent bond