ASSET Mock test 2

What happens when a fixed amount of oxygen gas is taken in a cylinder compressed at constant temperature?

(a) Number of collisions of oxygen molecules at per unit area of the wall of the cylinder increase.(b) Oxygen (O2​) gets converted into ozone (O3​) .(c) Kinetic energy of the molecules of oxygen gas increases.

• a and c

• b and c

• c only

• a only

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

Classify the following materials into

elements, compounds and mixtures:

Methane, granite, blood, sodium, silver, iron,

sugar

• Elements: Sodium and silver Compounds: Methane, Granite, sugar

  Mixtures: Iron, blood

• Elements: Sodium, silver, iron,

  Compounds: Methane, sugar

  Mixtures: Granite, blood.

• Elements: Sodium, silver, iron,

  Compounds: Methane, blood

  Mixtures: Granite, sugar

• Elements: Methane, silver, iron,

  Compounds: Sodium, sugar

  Mixtures: Granite, blood

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D