Free Printable Stogs GCSE Interleaving Crude Oil L

1.

A hydrocarbon is:

a)

A compound made up of oxygen and hydrogen only.

b)

A compound made up of carbon and hydrogen only

c)

A compound made up of hydrogen and nitrogen only.

d)

A compound made up of carbon and oxygen only.

2.

Crude oil:

a)

Is a hydrocarbon.

b)

Is a compound of a hydrocarbon.

c)

Is a mixture of hydrocarbons.

d)

Is nothing to do with hydrocarbons.

3.

Crude oil is:

a)

A renewable resource

b)

A finite resource

4.

An isomer...

a)

... has the same number of bonds.

b)

... has the same number of atoms, but different elements.

c)

... has the same number and type of atoms, but a different arrangement.

d)

... has the same arrangement of atoms, but different numbers.

5.

What is the general formula of the alkanes?

a)

C_nH_2n

b)

C_nH_2n+1

c)

C_nH_2n+2

d)

C_nH_2n+3

6.

What is the general formula of the alkenes?

a)

C_nH_2n

b)

C_nH_2n+1

c)

C_nH_2n+2

d)

C_nH_2n+3

7.

What is the formula of ethene?

a)

C₂H₆

b)

CH₆

c)

C₂H₄

d)

CH₄

8.

What is the formula of propane?

a)

C₅H₁₀

b)

C₅H₁₂

c)

C₃H₆

d)

C₃H₈

9.

Alkanes are ...

a)

... saturated hydrocarbons.

b)

... unsaturated hydrocarbons.

10.

Alkenes are ...

a)

... saturated hydrocarbons.

b)

... unsaturated hydrocarbons.

11.

Saturated hydrocarbons have all ...

a)

Single bonds.

b)

Double bonds.

c)

Triple bonds.

d)

Quadruple bonds.

12.

A homologous series is a series of compounds which have:

a)

Same general formula.

b)

Differ by CH₂ in molecular formulae from neighbouring compounds.

c)

Show gradual variation in physical properties.

d)

Have similar chemical properties.

13.

Crude oil can be separated into fractions by:

a)

Crystallisation

b)

Filtration

c)

Simple distillation

d)

Fractional distillation

14.

Which fraction is used as a fuel for aircraft?

a)

Bitumen

b)

Kerosene

c)

Petrol

d)

Fuel oil

15.

Which fraction is used as a fuel for large ships and in some power stations?

a)

Bitumen

b)

Kerosene

c)

Petrol

d)

Fuel oil

16.

Select the correct statements.

a)

Fuel oil is a larger molecule than petrol.

b)

Fuel oil is more volatile than petrol.

c)

Fuel oil has a lower boiling point than petrol.

d)

Fuel oil is more viscous than petrol.

17.

The products of complete combustion of hydrocarbons are:

a)

Water

b)

Carbon

c)

Carbon monoxide

d)

Carbon dioxide

18.

The products of incomplete combustion of hydrocarbons are:

a)

Water

b)

Carbon

c)

Carbon monoxide

d)

Carbon dioxide

19.

When hydrocarbons undergo combustion they are ...

a)

... neutralised.

b)

... oxidised.

c)

... reduced.

d)

... sublimated.

20.

Incomplete combustion occurs when:

a)

It feels like it.

b)

It’s not very hot.

c)

There’s not enough oxygen present.

d)

There’s not enough hydrogen present.

21.

Carbon monoxide is dangerous because it:

a)

Binds to haemoglobin in the place of oxygen.

b)

Causes slow suffocation.

c)

Is highly flammable.

d)

Is a heavy gas.

22.

Acid rain is caused by:

a)

Chemical spills.

b)

Sulphur impurities in fuel reacting with oxygen and releasing sulphur dioxide which dissolves in rainwater.

c)

Thunder.

d)

Nitrogen and oxygen in the air reacting.

23.

Nitrogen and oxygen:

a)

Are present in the atmosphere in large proportions.

b)

Always react together.

c)

React together in car engines due to the high temperatures.

d)

Are both ionically bonded structures.

24.

Crude oil is ...

a)

... a renewable resource.

b)

... a finite resource.

25.

Cracking is helpful because:

a)

Smaller chain hydrocarbons are more useful.

b)

Larger chain alkanes are more viscous.

c)

Smaller alkanes have lower boiling points.

d)

Larger chain alkanes can be cracked to form smaller chain alkanes.

26.

What type of reaction is the reaction between ethene and bromine water?

a)

Elimination

b)

Neutralisation

c)

Addition

d)

Substitution

27.

What do you observe when adding bromine water to ethene?

a)

Colourless to brown.

b)

Effervescence

c)

Brown to colourless

d)

Orange to red

28.

Select the correct equation.

a)

$Br\ +C_2H_4\ \rightarrow\ C_2H_4Br$

b)

$2Br_2\ +C_2H_4\ \rightarrow\ 2HBr\ +C_2H_2Br_2$

c)

$Br_2\ +C_2H_4\ \rightarrow\ C_2H_4Br_2$

d)

$2Br_2\ +C_2H_4\ \rightarrow\ C_2H_4Br_2\ +2HBr$

29.

Select the correct equation.

a)

$C_3H_6\ +Br_2\ \rightarrow\ C_3H_6Br_2$

b)

$C_3H_6\ +Br_2\ \rightarrow\ C_3H_4Br_2\ +H_2$

c)

$C_3H_6\ +Br_2\ \rightarrow\ C_3H_4Br_2\ +2HBr$

d)

$C_3H_6\ +2Br_2\ \rightarrow\ C_3H_6Br_2\ +Br_2$

30.

What is the name of C₅H₁₀?

a)

Propane

b)

Propene

c)

Pentane

d)

Pentene

Stogs GCSE Interleaving Crude Oil L

Total questions: 30

Worksheet time: 15mins

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