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hydrocarbons and waves 2

Total questions: 57

Worksheet time: 2hrs 50mins

Name
Class
Date
1.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

2.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
3.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
4.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
5.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
6.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
7.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
8.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
9.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
10.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
11.

Which image represents a longitudinal wave?

a)

A

b)

B

12.

Sound waves are which type of waves?

a)

transverse

b)

seismic

c)

longitudinal

d)

frequency

13.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

14.

As a longitudinal wave moves forward, the particles move:

a)

perpendicular to the wave's motion

b)

parallel to the wave's motion

c)

stand in one place

d)

move completely down the spring

15.

What term is given to a compound which contains atoms of carbon and hydrogen only?

a)

alkene

b)

hydrocarbon

c)

alkane

d)

saturated

16.

Alkenes have the general formula:

a)

CnH2n

b)

CnH2n+1

c)

CnH2n+2

d)

CnHn

17.

What term describes alkene molecules that contain a C=C double bond?

a)

saturated

b)

unsaturated

18.

Alkanes have the general formula:

a)

CnH2n

b)

CnH2n+1

c)

CnH2n+2

d)

CnHn

19.

What term describes alkane molecules that contain C-C single bonds?

a)

saturated

b)

unsaturated

20.

What process is used to separate crude oil in hydrocarbons with different chain lengths?

a)

distillation

b)

fractional distillation

c)

cracking

d)

polymerisation

21.

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

a)

At the top

b)

At the bottom

22.

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

a)

At the top

b)

At the bottom

23.

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

a)

melting point

b)

boiling point

c)

freezing point

d)

chemical reactivity

24.

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

a)

melting point

b)

boiling point

c)

freezing point

d)

chemical reactivity

25.

Molecules collected at the bottom of the fractionating column tend to be...

a)

more viscous, less flammable and less volatile

b)

less viscous, more flammable and more volatile

c)

more viscous, more flammable and less volatile

d)

less viscous, less flammable and more volatile

26.

Molecules collected at the top of the fractionating column tend to be...

a)

more viscous, less flammable and less volatile

b)

less viscous, more flammable and more volatile

c)

more viscous, more flammable and less volatile

d)

less viscous, less flammable and more volatile

27.

What are the 2 products of complete combustion?

a)

carbon dioxide + hydrogen

b)

carbon dioxide + water

c)

carbon monoxide + water

d)

carbon monoxide + hydrogen

28.

What are the 2 products of complete combustion?

a)

carbon dioxide + hydrogen

b)

carbon dioxide + water

c)

carbon monoxide + water

d)

carbon monoxide + hydrogen

29.

What are the products of incomplete combustion?

a)

carbon monoxide

b)

water

c)

carbon

d)

hydrogen

30.

What does a fuel react with when it burns?

a)

oxygen

b)

water

c)

carbon dioxide

d)

methane

31.

What is the term given to the process by which longer chain hydrocarbons are broken down into shorter length alkanes and alkenes?

a)

fractional distillation

b)

evaporation

c)

cracking

d)

polymerisation

32.

What conditions are needed for cracking?

a)

high temperature

b)

high pressure

c)

catalyst

d)

low temperature

33.

Name the following hydrocarbon

a)

alkane

b)

pentene

c)

pentane

d)

alkene

34.

C10H22 --> C5H12 + C3H6 + ?

a)

C2H4

b)

C3H4

c)

CO2

d)

CH4

35.

When testing for alkenes (unsaturation) bromine water turns from...

a)

orange --> blue/black

b)

colourless --> pink

c)

orange --> colourless

d)

orange --> clear

36.

Limewater turning cloudy is the test for...

a)

carbon dioxide

b)

water

c)

hydrogen

d)

oxygen

37.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
38.
Give the name of this compound...
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
39.
a)

propane

b)

butane

c)

pentane

40.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

41.
Which statement is true about a moving object?
When an object is ....
a)
...accelerating, the resultant force acting on it must be zero
b)
... moving at a steady speed, the air resistance acting on it must equal zero
c)
... moving at a steady speed, the resultant force acting on it must equal zero
d)
... moving, there must be a resultant force acting on it.
42.
A woman lifts 20 bricks, each of weight 6N.
What other information is needed to calculate the useful work done in lifting the bricks?
a)
the distance she lifts the bricks
b)
the mass of the bricks
c)
the time taken to lift the bricks
d)
the volume of the bricks
43.
a)
  A
b)
  B
c)
  C
d)
  D
44.
a)
   A
b)
  B
c)
   C
d)
   D
45.
Which quantity is measured in newtons?
a)
density
b)
energy
c)
pressure
d)
weight
46.

What are the units of power?

a)

Joules

b)

Newtons

c)

Amps

d)

Watts

e)

Kilowatt-hours

47.

What is the correct formula for force?

a)

Mass x weight

b)

Mass x velocity

c)

Mass x acceleration

d)

Mass x time

e)

Mass x distance

48.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
49.
Sara walks from Point A to Point B. Which is true?
a)
Distance and displacement are EQUAL
b)
Distance is less than displacement
50.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
51.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
52.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
53.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
54.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
55.
A toy car was used in an investigation about forces. During which of the following scenarios was the car experiencing balanced forces?
a)
The toy car speeds up as it rolls down a ramp.
b)
The toy car travels forward at a constant speed.
c)
The toy car slows down as it rolls up a hill.
d)
The toy car changes direction at a constant speed.
56.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
57.

Which of these blocks would result in motion?

a)

Block 1

b)

Block 2

c)

Block 1 and 2

d)

Blocks 2 and 3

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