Year 10 Topic 1 Group 4 and Oil

Carbon is found in:

• Group 2 period 4.

• Group 4 period 2.

• Group 14 period 2.

• Group 12 period 4.

An allotrope is:

• Different forms of the same element.

• Different forms of the same element in different states.

• Different forms of the same element in the same physical state.

• The same element in different forms.

The allotrope of Carbon which is hard, expensive and tetrahedral is:

• Graphite

• Graphene

• Diamond

• Buckminsterfullerene

Which is NOT true of graphite:

• It is used in pencils

• It is used in lubricating oils like WD40

• It has a structure made of hexagons

• It is made of a single layer

Which is NOT true of graphene

• It has layers

• It is an excellent conductor

• It is made of a single layer of hexagons

• It is used in solar panels

What chemical tests for carbon dioxide?

• Anhydrous copper sulfate

• Limewater

• Universal indicator

• Hydrated copper sulfate

What colour does anhydrous copper sulfate turn when water is added?

• White to yellow

• Green to yellow

• White to blue

• Green to colourless

What is combustion?

• Burning

• Burning in air

• Burning in oxygen

• Burning in oxygen to release energy

Which is the largest hydrocarbon?

• Refinery gas

• Bitumen

• Kersone

• Naphtha

Where is the fractionating tower the coolest?

• The top

• The middle

• The bottom