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Topic 1 States of matter

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Last updated about 1 month ago
8 questions
3
3
5
1
1
1
1
2
Question 1
1.

State the names of the three states under each diagram.

Question 2
2.

Describe the arrangement and movement of the particles in a gas

Question 3
3.

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Substance A has a melting point at -150 oC and boiling point at -100 oC.
Substance B has a melting point at 200 oC and boiling point at 900 oC.
Substance C has a melting point at -50 oC and boiling point at 300 oC.
Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

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Match the changes with their names
liquid to liquid
melting
gas to liquid
no change
solid to gas
condensation
liquid to gas
sublimation
solid to liquid
boiling
Which substance is liquid at 500oC.
A
B
C
A and C
Which substance is solid at 50oC.
A
B
C
A and C
Which substance is gaseous at 100oC.
A
B
C
A and C
HCl was placed in a corner of a room and the gas reached the opposite corner in 15 seconds. When it was replaced by H2SO4 (which is heavier than HCl), what will be the result of the experiment?
the gas will reach the opposite side in 15 seconds
the gas will reach the opposite side in 5 seconds
the gas will reach the opposite side in 30 seconds
the gas will not reach the opposite side
A teabag was placed in a cup of cold water and another teabag was placed in a cup of hot water. What observations would you expect?
Tea in cold water
the colour will diffuse faster
Tea in hot water
the colour will diffuse slower