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GCSE fuels experiments, polymers and fractional distaillation.

Last updated about 1 month ago

17 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

https://www.focuselearning.co.uk/s/7jcenlmbq0vs

Akwankyerɛ

https://www.focuselearning.co.uk/s/7jcenlmbq0vs

3

1

1

1

1

1

1

1

4

6

2

1

4

3

3

3

6

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Match the letter to the fraction

	Heavy fuel oil	Kerosene	Diesel
X
Y
Z

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Fuels

A

B

C

D

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Fuels

	Bitumen	Lubricating oils	Kerosene
X
Y
Z

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Fuels

A

B

C

D

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

What is this process called?

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

What is the purpose of the water?

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

What would be observed (if anything) if the fractions were tested with bromine water?

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

Fuels

A

B

C

D

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

What is the name of this process?

This is known as .

What is the purpose of the aluminium oxide?

The aluminium oxide acts as a .

The fact that heating has to be continuous for this reaction mean that the reaction is an reaction.

If gas B were to to be tested with bromine water the bromine water would decolonise.

This means that B contains an

null

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Hydrocarbon A contains hydrogen and carbon .

Hydrocarbon A has a boiling (condensation) temperature than hydrocarbon B.

Hydrocarbon B contains hydrogen and carbon .

Hydrocarbon B has a boiling (condensation) temperature than hydrocarbon A.

Hydrocarbon has a longer chain length than hydrocarbon

null

Mmuae Afoforo a Wobɛpaw:

A

B

higher

lower

only

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

A is a mixture of and alkenes

B is a mixture of alkanes and

null

Mmuae Afoforo a Wobɛpaw:

alkanes

alkenes

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

The paraffin used at the start decolourise bromine water because paraffin is a(n) hydrocarbon.

The delivery tube should be removed from the water to prevent

Note the path of the gas from the the boiling tube to the inverted boiling tube is continuous!

The purpose of the cold water is to cool the vapours to allow (some of) them to .

null

Mmuae Afoforo a Wobɛpaw:

condense

saturated

would

suck back.

would not

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Fractional distillation.

crude oil enters as a

The vapour as it rises up the tower

The fractions have different boiling

As the fraction rises up through the column the fraction will reach a point where the temperature is equal to its boiling point and the fraction will

The liquid is removed and the remaining fractions continue up through the column.

null

Mmuae Afoforo a Wobɛpaw:

vapour

condense

points

cools

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

null

Compound X is a hydrocarbon

Compound Y is an hydrocarbon

Compound Z is a hydrocarbon

Mmuae Afoforo a Wobɛpaw:

unsaturated

saturated

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

null

Compound X is an

Compound X is an

Compound Z is an

Mmuae Afoforo a Wobɛpaw:

alkene

alkane

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

null

Compound X is

Compound X is

Compound Z is an

Mmuae Afoforo a Wobɛpaw:

hexane

ethene

butane

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

Combustion of methane

combustion will cause soot to form on the inverted funnel.

The ice water in the beaker is to make the condense.

The lime water will turn milky because is a product of complete combustion of a hydrocarbon.

The delivery tube should be removed from the limewater before the heating stops to prevent .

The presence of water could be confirmed using anhydrous copper sulfate that would turn from to

null

Mmuae Afoforo a Wobɛpaw:

CO₂

white

water vapour

Incomplete

blue

suck back