Boiling Point of Water Quiz

At what altitude did the boiling point of water never exceed 88 °C, according to the article?

• At sea level

• In the Himalayas, at about 1,200 feet

• In the Himalayas, at about 12,000 feet

• At the top of Mount Everest

What is the reason for water boiling at a lower temperature at high altitudes?

• Because the atmospheric pressure is higher

• Because the water is purer

• Because the atmospheric pressure is lower

• Because of the presence of salt

What happens to the boiling point of water when salt is added?

• It decreases

• It remains the same

• It increases

• It becomes unpredictable

By how much does the boiling point of water increase if you add 20 grams of salt to five litres of water?

• 140.00° C

• 104.00° C

• 100.04° C

• 100.4° C

The higher pressure inside a pressure cooker ​ (a)   the boiling point of water.

• increases
• decreases

What is the point where a liquid changes to gas a gass called

• Melting Point

• Boiling Point

When heat is added, what happens to the particles ? (Two correct answers)

• Become more spaced out

• Become more tighly arranged

• Move faster

• Move slower

When heat is removed, what happens to the particles ? (Two correct answers)

• Become more spaced out

• Become more tighly arranged

• Move faster

• Move slower

The water droplets on the outside of this glass of water is showing the following phase change

• melting
• evaporation
• freezing 
• condensation

The water leaving the ocean in the water cycle is representing this phase change

• melting
• evaporation
• freezing 
• condensation