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Y10 Combined Science T1 Revision Quiz - Chemistry

Total questions: 101

Worksheet time: 51mins

Name
Class
Date
1.

Which diagram represents particles in a gaseous element?

a)

b)

c)

d)

2.

Which statement describes a molecule?

a)

It consists of one nucleus surrounded by electrons

b)

It consists of two or more atoms bonded together

c)

It has a negative charge because it has gained electrons

d)

It has a positive charge because it has lost electrons

3.

Which diagram shows a gas made up of molecules?

a)

b)

c)

d)

4.

Which term describes ammonia, NH3

a)

element

b)

ion

c)

atom

d)

molecule

5.

What are changes X and Y?

a)

X: Freezing

Y: Boiling

b)

X: Freezing

Y: Condensing

c)

X: Melting

Y: Boiling

d)

X: Melting

Y: Condensing

6.

The diagram represents the arrangements of particles in different physical states. Which arrow represents evaporation?

a)

A

b)

B

c)

C

d)

D

7.

A fixed mass of argon gas in a sealed container is heated. The pressure inside the container increases. Which statement explains why the pressure increases?

a)

There is an increase in the number of gaseous particles inside the container

b)

There is an increase in the number of collisions per second between the particles of gas and the walls of the container

c)

The particles of gas have less energy and collide with the wall of the container more frequently

d)

There is a decrease in the space that the particles have to move in.

8.

The melting point and boiling point of oxygen and nitrogen are shown.

A sealed flask contains a mixture of oxygen and nitrogen.

Which diagram shows the arrangement of oxygen and nitrogen particles at –190 C?

a)

b)

c)

d)

e)

9.

What happens to water molecules when water is heated to 100 °C in a beaker?

a)

They gain energy and escape from the beaker

b)

They gain energy and move more slowly

c)

They lose energy and escape from the beaker

d)

They lose energy and move more slowly

10.

A gas is stored in a sealed container of constant volume. The temperature of the gas increases.

This causes the pressure of the gas to increase.

What happens to the gas molecules during this pressure increase?

a)

The average kinetic energy of the molecules increases

b)

The average separation of the molecules decreases

c)

The average separation of the molecules increases

d)

The volume of each molecule increases

11.

Air in a sealed syringe is slowly compressed by moving the piston. The temperature of the air stays the same.

Which statement about the air is correct?

a)

The pressure of the air decreases because its molecules now travel more slowly

b)

The pressure of the air decreases because the area of the syringe walls is now smaller

c)

The pressure of the air increases because its molecules now hit the syringe walls more frequently

d)

The pressure of the air increases because its molecules now travel more quickly

12.

The diagram shows four labelled changes of state between solid, liquid and gas.

Which changes need an energy input?

a)

P and Q

b)

Q and R

c)

R and S

d)

S and P

13.

In which change of state do the particles gain kinetic energy and remain tightly packed?

a)

gas to liquid

b)

liquid to gas

c)

liquid to solid

d)

solid to liquid

14.

A substance Y has a melting point of –7ºC and a boiling point of 63ºC. At which temperature is Y a liquid?

a)

A

b)

B

c)

C

d)

D

15.

In which changes do the particles move further apart?

a)

W and X

b)

W and Z

c)

X and Y

d)

Y and Z

16.

Why solids and liquids cannot be compressed?

a)

The particles are closely packed together and there are no empty spaces.

b)

The particles are far apart from one another and there are empty spaces.

c)

The particles are arranged in an orderly manner.

d)

The particles are not arranged in an orderly manner.

17.

Which statements describe the arrangement of particles in solids?

a)

particles are moving in all directions

b)

Particles are arranged closely packed together in an orderly manner

c)

particles can slide over one another.

d)

particles move freely

18.

The particles of liquids ________________

a)

vibrate about their fixed postions

b)

are able to move around and slide over each other

c)

move about freely at high speeds and in random direction

d)

do not move

19.

The particles of gases ________________

a)

vibrate about their fixed postions

b)

are able to slide over each other

c)

move about freely at high speeds and in random direction

d)

do not move

20.

Arrange the strength of the forces of attraction between the particles of solids, liquids and gases from the strongest to weakest

a)

(strongest) gases > liquids > solids (weakest)

b)

(strongest) solids > liquids > gases (weakest)

c)

(strongest) gases > solids > liquids (weakest)

d)

(strongest) solids > gases > liquids (weakest)

21.

The change of state of matter directly from solid state to gaseous state without going through liquid state

a)

sublimation

b)

liquefaction

c)

evaporation

d)

depoaition

22.
Taking energy away from a substance will make its particles move
a)
more slowly
b)
more quickly
c)
at the same speed
23.
The physical separation of mixtures into individual components is..
a)
chromatography
b)
opacity 
c)
latent
d)
trace evidence 
24.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

25.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
26.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
27.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
28.
The diagram below shows a chromatogram obtained when a sample X was analysed together with four other known dyes P, Q, R and S. Dye Q was known to cause cancer. Which of the following dye(s) is/are safe for use?
a)
P only
b)
S only
c)
P and S
d)
P and X
29.
The Rf value  for the blue component is 
a)
0.3
b)
0.7
c)
10
d)
3
30.
Why must the base line be drawn in pencil and not pen?
a)
a) Pencil is good at keeping substances in place.
b)
b) Pencil is soluble in water
c)
c) Pencil is insoluble in water
d)
d) Pencil is not coloured
31.
 If a substance is not attracted to the water what happens to the 'dot'?
a)
a) Dot moves to the top of the paper
b)
b) Dot does not move at all
c)
c) Dot moves to the left or right
d)
d) Dot moves down to the bottom of the paper
32.
In paper chromatography, the MOST soluble solute .......
a)
does not move from the start point
b)
stays closest to the start point
c)
travels furthest away from the start point
d)
can be found in the middle of the chromatogram
33.
In paper chromatography, the LEAST soluble solute .......
a)
does not move from the start point
b)
stays closest to the start point
c)
travels furthest away from the start point
d)
can be found in the middle of the chromatogram
34.
If a dye is insoluble in water and cannot be separated using chromatography, how can it be tested to see if it is a mixture?
a)
Use filtration instead
b)
Repeat the chromatography test using a different solvent such as propanone
c)
Use distillation instead
d)
Repeat the chromatography using water as the solvent and see if it separates this time
35.
The retention factor is used
a)
to zero the chromatography scale
b)
to identify unknown compounds in a sample
c)
to retain solvent
d)
as a starting tool for chromatography
36.
The Rf value  for the red component is 
a)
0.3
b)
0.7
c)
10
d)
7
37.
Which plant species has plant pigments most similar to those in A?
a)
B
b)
C
c)
D
38.

Used to separate an insoluble solid from liquid or soluble solid

a)

Filtration

b)

Distillation

c)

Crystallisation

d)

Evaporation

39.

Used to separate a dissolved solid from its solution

a)

Filtration

b)

Evaporation

c)

Crystallisation

d)

Sublimation

40.

Used to separate liquid from a solution

a)

Filtration

b)

Sublimation

c)

Distillation

d)

Fractional distillation

41.

Used to separate liquid mixtures for identification

a)

Filtration

b)

Distillation

c)

Fractional distillation

d)

Chromatography

42.

Used to separate miscible liquids with a wide range of boiling points

a)

Distillation

b)

Fractional distillation

c)

Chromatography

d)

Evaporation

43.

Used to separate immiscible liquids

a)

Paper chromatography

b)

Separating funnel

c)

Distillation

d)

Fractional distillation

44.

Used to separate a solid from a mixture of solids

a)

Filtration

b)

Evaporation

c)

Crystallisation

d)

Sublimation

45.

Which one of the following solids is insoluble in water?

a)

sugar

b)

copper sulfate

c)

sand

d)

salt

46.

Water and petrol can be separated by

a)

separating funnel

b)

filtration

c)

decanting

d)

evaporation

47.

A Leibeg condenser is used in

a)

filtration

b)

evaporation

c)

chromatography

d)

distillation

48.

Name the separation method that causes wet clothes on a clothes line to dry

a)

chromatography

b)

distillation

c)

filtration

d)

evaporation

49.

Which one of the following would you use to separate sand from iron filings?

a)

a bar magnet

b)

chromatography

c)

filter papre

d)

evaporation

50.

In filtration, the solid that remained on the filter paper is called the

a)

solid

b)

solute

c)

filtrate

d)

residue

51.

In filtration, the clear liquid which passes through the filter paper is called

a)

filter paper

b)

filtrate

c)

filter

d)

filtration

52.

Dyes in water soluble markers may be separated by means of

a)

crystallisation

b)

chromatography

c)

filtration

d)

distillation

53.

To separate a mixture of soil and water, what separation method is used?

a)

filtration

b)

chromatography

c)

distillation

d)

evaporation

54.

Water and ethanol can be separated by

a)

distillation

b)

fractional distillation

c)

chromatography

d)

evaporation

55.

Water and ethanol are easily separated by fractional distillation because of their

a)

different melting points

b)

different densities

c)

different colours

d)

different boiling points

56.

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

a)

filtration

b)

distillation

c)

evaporation

d)

chromatography

57.

Chromatography separate the mixture of dyes on the basis of their

a)

density

b)

solubility

c)

gravity

d)

boiling point

58.
The diagram shows the apparatus for separating soil and water. What are the labelled parts?
a)
A = distillate, B = filtrate
b)
A = filtrate, B = residue
c)
A = residue, B = filtrate
d)
A = residue, B = distillate
59.

Water and ethanol are easily separated by fractional distillation because of their

a)

different melting points

b)

different densities

c)

different colours

d)

different boiling points

60.
In the distillation apparatus shown, what are the parts labelled A and B?
a)
A = funnel, B = thermometer
b)
A = thermometer, B = funnel
c)
A = condenser, B = flask
d)
A = condenser, B = thermometer
61.

Atomic number is

a)

the number of electrons in an atom

b)

the number of protons in an atom

c)

the number of neutrons in an atom

d)

number of protons and neutrons

62.

What type of charge does a proton have?

a)

negative

b)

postive

c)

no charge/neutral

d)

RM 50

63.

What type of charge does an electron have?

a)

positive

b)

no charge/neutral

c)

negative

d)

Turbo Charge

64.

What is the center of the atom called?

a)

nucleus

b)

electron cloud

c)

energy level

d)

neutron

65.

What two sub-atomic particles can you find in the nucleus of an atom?

a)

electrons and protons

b)

protons and neutrons

c)

electrons and neutrons

d)

Magic beans

66.

What type of charge does a neutron have?

a)

negative

b)

positive

c)

no charge/neutral

d)

electrical charge

67.

Where are electrons located in an element?

a)

nucleus

b)

energy shells

c)

elements don't have electrons

d)

The empty space

68.

What is the atomic number of this Carbon atom

a)

6

b)

8

c)

14

d)

12

69.

What is the mass number of this Carbon atom?

a)

8

b)

12

c)

6

d)

15

70.

What is the element symbol?

a)

Argon

b)

Ar

c)

18

d)

39.948

71.

What is the element name?

a)

Argon

b)

Neon

c)

18

d)

Ar

72.

The number 18 represents the

a)

Atomic number

b)

Neutrons

c)

Element Name

d)

Element symbol

73.

The mass number of an atom =

a)

protons + neutrons

b)

protons - neutrons

c)

electrons - neutrons

d)

neutrons + electrons

74.

In the modern periodic table, elements are arranged by:

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

75.

An atom with atomic number 6 would have how many protons

a)

6

b)

12

c)

3

d)

cannot be determined

76.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

15

d)

18

77.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
78.

How many neutrons are in the atom "K"?

a)

7

b)

2

c)

39

d)

20

79.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
80.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
81.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
82.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
83.
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
a)
10
b)
20
c)
30
84.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
85.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
86.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
87.

In an atom, the number of electrons is the same as the number of protons

a)

Always

b)

Never

c)

Sometimes

d)

Sausages

88.
Subatomic particle with a charge of 0
a)
neutron
b)
proton
c)
electron
d)
quark
89.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

90.

Y atom has 3 protons and 4 neutrons and 3 electrons. what is its nucleon number?

a)

3

b)

4

c)

7

d)

6

91.

X atom has 10 proton and 11 neutron. How many electron does it have?

a)

10

b)

11

c)

12

d)

13

92.

Z atom has 11 protons, 10 neutron and 11 electrons. what is its proton number?

a)

11

b)

10

c)

21

d)

22

93.

an atom has 10 electrons and 8 neutrons. How many protons does it have?

a)

8

b)

18

c)

10

d)

2

94.

A atom has nucleon number of 14 and it has 8 electrons. how many neutron does it have?

a)

14

b)

8

c)

6

d)

10

95.

B atoms has 7 protons and 6 neutron. what is the nucleon number of this atom?

a)

7

b)

6

c)

8

d)

13

96.

which sub-particles give mass to an atom?

a)

proton

b)

neutron

c)

electron

d)

shell

97.

which sub-particle involves in reactions when atoms react?

a)

proton

b)

neutron

c)

valence electron

d)

core electron

98.

an atom has proton number of 7 and nucleon number of 13. what is the number of neutron the atom has?

a)

7

b)

6

c)

13

d)

14

99.

how many valence electron does this atom have?

a)

1

b)

2

c)

3

d)

7

100.

what is the charge of an atom

a)

0

b)

1

c)

2

d)

3

101.

which sub-particle that identifies the atom?

a)

electron

b)

neutron

c)

proton

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