Condensation
Trending Questions
Q.
When water droplets in the sky come together, they clump together to form:
Clouds
Air
Dust
Rainbow
Q. Water droplets in the sky clump together to form:
- Air
- Dust
- Clouds
- Rainbow
Q. The process by which a liquid is converted to a gas on heating is known as:
- melting
- freezing
- condensation
- boiling
Q. Explain why the balloon attached to the bottle mouth inflates when the bottle is kept in the hot water as shown below.
Q. Identify the process given in the image below.
- Melting
- Freezing
- Boiling
- Condensation
Q. There is an opening in the top of Rebo tents. The purpose of this is to ____________.
- get fresh air
- remove smoke
- watch outside
- collect rain water
Q. Haze is formed when warm air strikes the cold surface.
- True
- False
Q. Which of the following things mixed in water can be separated by using a cloth?
- Chalk powder
- Salt
- Sugar
- Milk
Q. The process of water vapour changing into water droplets is:
- Water cycle
- Condensation
- Water harvesting
- Evaporation
Q. Condensation results in the formation of ______.
- gases from liquids
- solids from liquids
- liquids from gases
- solids from gases
Q. An object was kept outside a shower room which had a glass window. After taking a hot shower, Raj realised, that he was not able to identify the shape of the object. Which phenomena were responsible for this?
- Freezing made the windows transparent.
- Evaporation made the windows transparent.
- Condenstation made the windows translucent.
- Evaporation made the windows opaque.
Q. Freezing brings change in the state of a substance.
- True
- False
Q. The process of water vapour changing into water droplets is:
- Evaporation
- Water cycle
- Condensation
- Water harvesting
Q. Tea leaves are removed from tea by the process of __________.
- filtration
- decantation
- winnowing
- sedimentation
Q. How does the hot air, which rises, hits one's spectacles can form a haze?
Q. When a liquid water is placed in a refrigerator, it undergoes _______.
- freezing
- boiling
- condensation
- melting
Q.
What happens when we keep water in a freezer?
Turns into steam
Turns into ice
Q. Arjun noticed that tiny droplets of water have formed outside a cold bottle of water. Which process is this?
- Condensation
- Precipitation
- Evaporation
- Infiltration
Q. The reverse process of boiling is ______.
melting
condensation
solidfication
liquefication
Q.
How will you perform an experiment to show the presence of water vapor in air?
Q. Freezing leads to the formation of ______.
- solids
- gases
- liquids
- plasma
Q. Condensation is the process of conversion of gas to its liquid state.
- False
- True
Q. Water exists in states on earth.
- two
- three
- four
- one
Q. Assertion: Chalk powder can be separated from water by filtration.
Reason: Chalk powder is insoluble in water.
Which amongst the following is correct regarding these statements?
Reason: Chalk powder is insoluble in water.
Which amongst the following is correct regarding these statements?
- Assertion is true and reason is its correct explanation.
- Assertion is false but reason is true.
- Both assertion and reason are false.
- Both assertion and reason are true, but reason is not its correct explanation.
Q. Identify the process that takes place during line segment ST of the heating curve
- Melting
- Sublimation
- Evaporation
- Vaporisation
Q. The "voice" of the deceased is compared to all of the following EXCEPT _________________.
- The sound of an underground stream
- The wind
- The pattering of feet
- The blossom of a flower
- The music of a bird
Q.
in determining the boiling point of water, give reasons for following :
1. pumice stone was added.
2.a glass stirrer was used.