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25
×
Which one of these best describes a gas?
My particles are loosely packed.
My particles are tightly packed.
None of the above.
My particles have lots of room.
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15
×
You blow up a balloon. Is it heavier or lighter than the deflated balloon?
Lighter
Heavier
They weigh the same
Undermined
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20
×
What happens during evaporation?
A gas changes to a liquid
A gas changes to a solid
A liquid changes to a gas
A solid changes to a liquid
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25
×
When 100 grams of water is boiled, what mass of steam is made?
0 gram
50 grams
100 grams
95 grams
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25
×
At 150 C, what state is iron and alcohol respectively?
Solid and gas respectively
Gas and solid respectively
Both are in the solid state
Liquid and gas respectively
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25
×
Which one of these best describes a liquid?
My particles are packed tightly together.
None of the above.
My particles have lots of room.
My particles are loosely packed.
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25
×
Sublimation is ____________.
Process of gases change into solids without condensation.
In solid state, the particles are packed closely together.
Process of solids change into gases without melting.
The covalent bonds between the carbon atoms.
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20
×
The following is NOT an example of an allotrope
Diamond
Carbon
Sodium Chloride
Graphite
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10
×
When water is...., it starts to change from a liquid to a solid.
Streamed
Heated
cooled
Boiled
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25
×
When we open a bottle of perfume, we can soon smell the perfume. Why is this?
Adhesive force
Diffusion
Evaporation
Condensation
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20
×
What is E?
Freezing
Evaporation
Deposition
Heating
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20
×
Particles in which state have no bonds?
Liquid
Solid
Gas
Stream
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20
×
What is D?
Sublimation
Condensation
Deposition
Evaporation
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×
lifesaver
Give 25 points!
Oops!
×
seesaw
Swap points!
Okay!
×
gift
Win 25 points!
Okay!
×
baam
Lose 25 points!
Oops!
×
lifesaver
Give 25 points!
Oops!
×
magnet
Take 15 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
lifesaver
Give 5 points!
Oops!
×
baam
Lose 25 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 25 points!
Okay!
×
baam
Lose 5 points!
Oops!
×
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