10th P.S ONLINE QUIZ - 2 (HEAT) by PRABHAKAR MIRIYALA

Phase change from gas to liquid is called

• Evaporation

• Condensation

• Boiling

• Freezing

Clothes dry easily when exposed to sunlight is an example of _____________________.

• condensation

• evaporation

• melting

• Boiling

What is the boiling point of water

• 100⁰ C

• 273 K

• 212 F

• All the above

When a solid reaches the temperatures of its ___, it can become a liquid.

• melting point
• freezing point
• boiling point
• density

Tags

NGSS.MS-PS1-4

The heat energy required to convert 1 gm. of solid completely into liquid at a constant temperature is called .....

• melting point

• boiling point

• latent heat of fusion

• latent heat of vaporisation

Which is the opposite of condensation?

• melting

• evaporation

• precipitation

• transpiration

A: we feel cool after sweating

R: condensation is the cooling phenomenon

• Both A and R are true

• A is true; R is false

• A is false: R is true

• Both A and R are false

Phase change from liquid to gas at constant temperature is known as

• evaporation

• melting

• condensation

• boiling

Melting Point of ice is

• A) 0 K

• B) 0 degrees Celsius

• C) 273 K

• D) both B and C

• E) Both A and B

Ice floats on water because

• density of water is less than that of ice

• density of water is greater than that of ice

• density of ice and water is equal

• ice is in solid state