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Chemistry revesion

Total questions: 86

Worksheet time: 57mins

Name
Class
Date
1.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
2.
How many carbon atoms are in ethane?
a)
1
b)
2
c)
3
d)
4
3.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
4.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
5.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
6.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
7.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
8.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
9.
The following compounds have a molecular formula of
a)
CnH2n+2
b)
CH4
c)
C6H14
d)
CH3CH2CH2CH2CH2CH3
10.

What is the general formula of the alkenes?

a)

CnH2n+1

b)

CnH2n+2

c)

CnH2n

d)

CnH2n+1OH

11.
As the number of carbons increases in an homologous series the melting point generally...
a)
increase
b)
decrease
c)
stay the same
d)
varies
12.
Which of the following would have the highest melting point?
a)
C3H8
b)
C4H8
c)
C5H12
d)
C22H44
13.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
14.
Which one of the following is saturated?
a)
water
b)
C4H8
c)
C4H10
d)
C5H8
15.

What is the general formula of the alkenes?

a)

CnH2n+1

b)

CnH2n+2

c)

CnH2n

d)

CnH2n+1OH

16.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
17.

In complete combustion, the products are?

a)

Carbon monoxide and water

b)

Carbon dioxide and water

c)

Carbon dioxide and carbon

d)

Carbon and water

18.

What is the suffix for double bond hydrocarbons ?

a)

-ol

b)

-ene

c)

-ane

d)

-one

19.
The molecular formula for Heptane is
a)
C4H10
b)
C7H18
c)
C5H12
d)
C7H16
20.
Alkanes are known as saturated hydrocarbons because they contain only carbon-hydrogen single bonds.
a)
True
b)
False
21.

This prefix means 7

a)

but

b)

hept

c)

hex

d)

non

22.

Is the name of single bonded, saturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

23.

Is the name of doubled bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Allkynes

d)

Tanins

24.

Is the name of triple bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

25.

Is the simplest alkane

a)

Ethane

b)

Methane

c)

Propane

d)

Decane

26.

Is the simplest of alkenes.

a)

Ethene

b)

Propene

c)

Buthene

d)

Pentene

27.

Is the simplest of alkynes.

a)

Ethyne

b)

Propyn

c)

Butyn

d)

Pentyne

28.

Where in the fractionating column do the hydrocarbons with the highest boiling points condense?

a)

at the top of the fractionating column

b)

in the middle of the fractionating column

c)

at the bottom of the fractionating column

29.

What happens to the vapours of crude oil as they rise up through the fractionating column?

a)

They heat up and evaporate.

b)

They cool and condense.

c)

They heat up and melt.

d)

They cool and freeze.

30.

How does fuel oil compare to petrol?

Select two statements.

a)

Fuel oil has a higher boiling point than petrol.

b)

Fuel oil has a lower boiling point than petrol.

c)

Fuel oil contains larger hydrocarbon molecules than petrol.

d)

Fuel oil contains smaller hydrocarbon molecules than petrol.

31.

Combustion is a scientific term for ________.

a)

burning

b)

dissolving

c)

rusting

32.

Select the correct word equation for the combustion of a fuel.

A

a)

A

b)

B

c)

C

33.

The products of the combustion reaction are bubbled through limewater. Which gas is limewater used to test for?

a)

oxygen

b)

hydrogen

c)

carbon dioxide

d)

chlorine

34.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
35.
Name the organic family for this structure:
a)
alkanes
b)
alkenes
c)
alkynes
d)
aromatics
36.

The general formulas for alkanes, alkenes and alkynes are:

a)

alkane: CnH2n+2

alkene: CnH2n

alkyne: CnH2n-2

b)

alkane: CnH2n

alkene: CnH2n+2

alkyne: CnHn+4

c)

alkane: CnH2n-2

alkene: CnH2n

alkyne: CnH2n+2

d)

alkane: CnH2n+2

alkene: CnH2n

alkyne: CnHn-4

37.

Alkanes are the simplest forms of hydrocarbons.

a)

true

b)

false

38.

Based on what does a fractionating column separate mixtures

a)

Weight of materials (Heavy and Light)

b)

Boiling points

c)

Amount of purity of carbon

d)

Its uses

39.

the lightest and heaviest fraction respectively are

a)

petrol and diesel

b)

petroleum gas and fuel oil

c)

petrol and residue

d)

petroleum gas and residue

40.

which of the following can be used as jet fuel or household fuel

a)

petrol

b)

kerosene

c)

diesel

d)

fuel oil

41.
The step needed for sea plants and animals to become hydrocarbons is
a)
enormous heat and pressure
b)
shallow burial by sediments
c)
refining and processing
d)
drilling and distillation
42.
The job of an oil refinery is to
a)
transport the crude from the drill site
b)
separate crude into various types of fuel
c)
pump crude oil up to the surface
d)
mix separate types of fuel into crude
43.
Distillation occurs where crude oil is separated into fuels by
a)
mixing it with corn starch and letting it settle
b)
putting it under intense pressure until it becomes solid
c)
heating it to different boiling points
d)
removing the sulfur particles from it
44.

Fuel is classified into ...

a)

renewable resource

b)

non-renewable resource

45.

The technique used to separate crude oil into several fraction of hydrocarbon is called...

a)

filtration

b)

evaporation

c)

fractional distillation

d)

crystallization

46.

The lightest fraction was placed on the .. of fractionating column.

a)

top

b)

bottom

47.

Breaking down of larger hydrocarbon molecules into the smaller one is known as ...

a)

cracking

b)

addition

c)

substitution

d)

combustion

48.

This is the process in which fuels and products are made from crude oil.

a)

smelting

b)

leaching

c)

refining

d)

conservation

e)

stewardship

49.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
alcohol
d)
carboxylic acid
50.
Classify the compound based on the functional group present.
a)
amine
b)
amide
c)
ether
d)
ester
51.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
52.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
53.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
54.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
55.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
alcohol
d)
carboxylic acid
56.

What functional group is -HC=O

a)

Carbonyl Aldehyde

b)

Carbonyl Ketone

c)

Carboxyl

d)

Methyl

57.
Alkenes are identified by a chain containing:
a)
a diamond
b)
a double bond
c)
a single bond
d)
a triple bond
58.
The functional group of the monomer react to bond each other and produce water.
a)
condensation
b)
thermosetting
c)
copolymer
d)
addition
59.
The prefixes to represent 1,2,or 3 Carbons are...
a)
But-, Prop-, Oct-
b)
Non-, Dec-, Hex
c)
But-, Hex- Hept-
d)
Meth-,Eth-,Prop-
60.
Alkynes are identified by a chain containing:
a)
a triple bond
b)
a James Bond
c)
a single bond
d)
a double bond
61.
How is a Carboxyl Group commonly written?
a)
-OH
b)
 -COOH
c)
-COH
d)
-CHOH
62.

What functional group(s) is/are on the molecule (check all that apply)

a)

Carbonyl Ketone

b)

Hydroxyl

c)

Carboxylic Acid

d)

Amine

63.

Nylon is which sort of polymer?

a)

Thermosetting

b)

Elastomer

c)

Ferrous

d)

Thermo plastic

64.

A chain of repeating units (called monomers)

a)

monomer

b)

dimer

c)

replicate

d)

polymer

65.
Proteins are composed of what smaller subunits?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
66.
Starch is composed of what monomers?
a)
sucrose
b)
glucose
c)
nucleic acids
d)
glycogen
67.
What are the monomers of DNA?
a)
glycerols
b)
amino acids
c)
fatty acids
d)
nucleotides
68.
Why do you think people use plastic for their products ?
a)
Because it's strong
b)
Because its very cheap and it's easy to make
c)
Because it's expensive
d)
Because it's rare and it's good for the enviorment
69.

Define polymer

a)

circular molecule made with many repeating units

b)

short molecule made of a few repeating units

c)

long, chain-like molecule made of repeating units

d)

chain-like molecule that contains hydrogen and oxygen

70.

What is the process to make long polymer (plastic) chains?

a)

Fractional Distillation

b)

Curing

c)

Fracking

d)

Polymerization

71.

What kind of chemical bonds create polymers?

a)

ionic

b)

covalent

c)

hydrogen

d)

metallic

72.

A polymer made in the laboratory (or industry) usually made from petrochemicals

a)

nature polymer

b)

natural polymer

c)

protein

d)

synthetic polymer

73.

What is the name of the addition polymer?

a)

poly(phenylethene)

b)

poly(phenylamine)

c)

poly(benzene)

74.

Polymers are made of

a)

Acids

b)

Hydrogen

c)

Carbons

d)

Monomers

75.

Polymers are

a)

acids

b)

alcohols

c)

plastics

d)

Bases

76.

An example of an alkene polymer

a)

Propene

b)

Polyester

c)

Polythene

d)

Ethylene

77.

The properties of Polymer is determined by

a)

Monomer

b)

Temperature

c)

Pressure

d)

All of above

78.

Polymer made by repeating units of Ethene

a)

Polyethylene

b)

Polythene

c)

PVC

d)

polypropylene

79.

Nucleotides ,glucose ,amino acids

a)

Monomers

b)

Polymers

c)

Esters

80.

Which is not polymer

a)

DNA

b)

Starch

c)

Protein

d)

Nucleotide

81.
Proteins are composed of what smaller subunits?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
82.

What is the condensed formula of this structure?

a)

CH3CH2CH2OH

b)

CH3COCH3

c)

CH3CH2CHO

d)

CH3OCH2CH3

83.

Two types of hydrocarbons are ________

a)

saturated & unsaturated

b)

saturated & supersaturated

c)

polar & non-polar

d)

saturated & polysaturated

84.

molecules with double/tripple bond

a)

carbocilic acids

b)

alkynes

c)

unsaturated fats

d)

saturated fats

85.

The given structure is an example of ...

a)

Expanded structure

b)

Condensed structure

c)

Skeletal structure

86.

If the given structure is converted to condensed structure, which will be its correct version?

a)

CH3CH2CH2CH2CH2CH3

b)

CH3(CH2)4CH3

c)

C6H14

d)

(CH3)2(CH2)4

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