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M3 Mt Exam review

Total questions: 57

Worksheet time: 57mins

Name
Class
Date
1.

What does displacement mean?

a)

A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.

b)

A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.

c)

A more reactive metal is removed from a compound.

2.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

3.

Zinc sulphate + Magnesium → ?

a)

Magnesium + Sulphur + Hydrogen

b)

Zinc sulphate + Magnesium

c)

Magnesium sulphate + Zinc

4.

Lithium chloride + Iron → ?

a)

Lithium chloride + Iron (No change)

b)

Iron chloride + Lithium

c)

Lithium oxide + hydrogen

5.
Which gas is required for something to burn?
a)
Carbon dioxide 
b)
Hydrogen 
c)
Oxygen 
d)
Water 
6.

Iron nails + copper oxide → ?

a)

Iron nails + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

7.

Which of the following metals is kept under oil ?

a)

Copper

b)

Gold

c)

Zinc

d)

Potassium

8.

Which of the following are necessary for rusting to occur ?

a)

salt

b)

water

c)

oxygen

d)

heat

9.
How can you test to show that when a metal reacts with water, hydrogen gas is produced?
a)
Relights a glowing splint
b)
A lit splint produces a squeaky pop
c)
Puts out a burning splint
d)
Is cold to the touch
10.
What gas is produced when a metal reacts with an acid?
a)
Water vapour
b)
Acidic gas
c)
Hydrogen
d)
Nitrogen
11.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
12.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
13.
When magnesium reacts with copper sulphate, there are two products. What are they?
a)
Magnesium  and Copper
b)
Magnesium Sulphate and Copper
c)
Magnesium Sulphate and Copper Sulphate
d)
Magnesium and Copper Sulphate
14.

If potassium reacts with water what are the 2 products of the reaction?

a)

potassium hydroxide + oxygen

b)

potassium hydroxide + hydrogen

c)

potassium + hydrogen oxide

d)

Potassium hydroxide + hydrogen oxide

15.

Hydrochloric acid + (a)   -> Iron Chloride + hydrogen

16.

When a metal + acid react, hydrogen and what is produced?

(a)  

17.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
18.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
19.
What is decomposition?
a)
putting substances together
b)
breaking substances apart
c)
element replacing another element in a compoud
d)
burning of a subtance
20.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
21.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
22.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
23.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
24.
Consider the equation 4 Fe+3 O2 → 2 Fe2O3 . In this equation, 3 O2 is a
a)
product
b)
reactant
c)
compound
25.
Which generalized equation represents a synthesis reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
26.
Which generalized equation represents a decomposition reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
27.
Which generalized equation represents a single displacement reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
28.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
29.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
30.

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

a)

Single Displacement Reaction

b)

Double Displacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

31.

Sound waves travel as

a)

Transverse Waves

b)

Electromagnetic Waves

c)

Longitudinal Wave

d)

Surface Waves

32.

Sound is made when a source of energy forces the matter to _______.

a)

Slide

b)

Vibrate

c)

Stay Still

d)

Rotate

33.

A back-and-forth motion causing particles to move close together generates a _______.

a)

Rarefaction

b)

Crest

c)

Trough

d)

Compression

34.

A rarefaction is generated when particles move ______.

a)

Closer

b)

In circles

c)

Back and forth

d)

Apart

35.

Sound waves cannot travel through which of these ____.

a)

Paper

b)

Milk

c)

Outer Space

d)

Oxygen

36.

High frequency sounds have ______ pitch.

a)

High

b)

Low

37.

True or False: Sound needs a medium.

a)

True

b)

False

38.

The part of the wave where the particles are closer together is called...

a)

Rarefaction

b)

Compression

c)

Amplitude

d)

Frequency

39.

The part of the longitudinal wave where the particles are spread further apart is called...

a)

Rarefaction

b)

Compression

c)

Crest

d)

Trough

40.

Material (matter) through which a wave travels

a)

sound

b)

pitch

c)

frequency

d)

medium

41.

The distance from the beginning of one compression to the beginning of the next compression is called a _______

a)

Rarefaction

b)

Wavelength

c)

Compression

d)

Frequency

42.

The number of wavelengths that pass a fixed point each second is known as _________

a)

Frequency

b)

Hertz

c)

Amplitude

d)

Wave

43.
How is sound produced?
a)
By the vibration of particles
b)
By the transfer of particles 
44.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
45.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
46.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
47.
A sound with a low pitch would have a:
a)
high frequency
b)
low frequency
c)
high amplitude
d)
low amplitude
48.
A sound with a high pitch would have
a)
a low frequency
b)
a high frequency
c)
a low amplitude
d)
a high amplitude
49.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
50.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
51.
a)
Crest
b)
Trough
c)
Height
d)
Frequency
52.
a)
Trough
b)
Crest
c)
Amplitude
d)
Wavelength
53.
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Trough
54.

Pitch is determined by the __________ of the wave.

a)

amplitude

b)

frequency

55.

Loudness is determined by the _______ of the wave.

a)

Amplitude

b)

Pitch

56.

Longitudinal waves that are caused by vibrations and travel through a medium are called

a)

sound waves

b)

sound

c)

longitudinal wave

d)

loudness

57.

___________ is created by vibrating molecules through a medium.

a)

Pitch

b)

Sound

c)

Frequency

d)

Hertz

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