Topic 1 States of matter

3

State the names of the three states under each diagram.

3

Describe the arrangement and movement of the particles in a gas

5

Match the changes with their names

Stavka koja se može prevući		Odgovarajuća stavka
liquid to liquid		melting
gas to liquid		no change
solid to gas		condensation
liquid to gas		sublimation
solid to liquid		boiling

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.

1

Which substance is liquid at 500^oC.

A

B

C

A and C

1

Which substance is solid at 50^oC.

A

B

C

A and C

1

Which substance is gaseous at 100^oC.

A

B

C

A and C

1

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

2

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?

Stavka koja se može prevući		Odgovarajuća stavka
Tea in cold water		the colour will diffuse faster
Tea in hot water		the colour will diffuse slower

Topic 1 States of matter

State the names of the three states under each diagram.

Describe the arrangement and movement of the particles in a gas

Match the changes with their names

Which substance is liquid at 500oC.

Which substance is solid at 50oC.

Which substance is gaseous at 100oC.

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?

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?

State the names of the three states under each diagram.

Describe the arrangement and movement of the particles in a gas

Match the changes with their names

Which substance is liquid at 500oC.

Which substance is solid at 50oC.

Which substance is gaseous at 100oC.

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?

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?

Which substance is liquid at 500^oC.

Which substance is solid at 50^oC.

Which substance is gaseous at 100^oC.

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?

Which substance is liquid at 500^oC.

Which substance is solid at 50^oC.

Which substance is gaseous at 100^oC.

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?