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Y10 iGCSE Summer Exam Revision Quiz

Total questions: 75

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

What is the central part of an atom called?

a)

neutron

b)

proton

c)

nucleus

d)

electron

2.

The positive particle is called...

a)

neutron

b)

proton

c)

nucleus

d)

electron

3.

This atom is neutral. How can you figure this out from the diagram?

a)

there's the same number of electrons and neutrons

b)

there's the same number of electrons and protons

c)

there are 2 electrons on the first shell

d)

there are 3 protons inside the nucleus

4.

The electron configuration of this atom is:

a)

5, 3

b)

3, 1

c)

1, 2

d)

2, 1

5.

The atomic number of this atom is:

a)

3

b)

4

c)

7

d)

0

6.

The mass number of this atom is:

a)

3

b)

4

c)

7

d)

0

7.

What is the atomic number of this atom?

a)

4

b)

5

c)

9

d)

none of the above

8.

What is the mass number of this atom?

a)

4

b)

5

c)

9

d)

none of the above

9.

What is the atomic number of this atom?

a)

9

b)

10

c)

19

d)

27

10.

The electron configuration of Neon is:

a)

(8, 2)

b)

(1, 9)

c)

(8, 8)

d)

(2, 8)

11.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
12.

What would this atom do to become an ion?

a)

gain 6 electrons

b)

lose 2 electrons

c)

lose 4 protons

d)

gain 5 neutrons

13.

What would this atom do to become an ion?

a)

lose 1 electron

b)

gain 3 protons

c)

lose the nucleus

d)

gain 7 electrons

14.

What would this atom do to become an ion?

a)

lose 8 electrons

b)

gain 2 protons

c)

this atom is already stable so it won't make an ion

d)

gain 8 electrons

15.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
16.

What is the picture displayed?

a)

atom

b)

element

c)

molecule

d)

compound

17.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
18.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
19.

The following is a:

a)

Compound

b)

Element

c)

Mixture of elements

d)

Mixture of compounds

20.

Atom, element, compound or mixture?

a)

atom

b)

element

c)

compound

d)

mixture

21.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
22.
Element or compound?
H2O
a)
element
b)
compound
23.
a)

element

b)

compound

c)

mixture

24.
a)

element

b)

compound

c)

mixture

25.

What type of elements will form an ionic bond?

a)

Metal + Metal

b)

Non-metal + Non-metal

c)

Metal + Non-metal

d)

None of the above

26.

Which of the following compound is ionic?

a)

NO2

b)

NaCl

c)

CO

d)

CH4

27.

Ionic compounds such as sodium chloride have very high melting points.

a)

True

b)

False

28.

Ionic compounds have high melting points because

a)

they have lots of strong electrostatic bonds arranged in a 3-D lattice

b)

they have lots of electrons

c)

they have lots of protons

d)

they have lots of strong covalent bonds

29.

Which picture is a mixture?

a)

A

b)

B

c)

C

d)

D

30.

This image represents

a)

A mixture of compounds and elements

b)

Atoms of a pure solid

c)

A gaseous compound

d)

A solid mixture

31.
Which separation technique uses the apparatus shown in the diagram?
a)
filtration 
b)
 crystallisation
c)
distillation
d)
chromatography
32.

Distillation could be used to separate

a)

a mixture of water and salt (sodium chloride)

b)

a mixture of water and sand

c)

a mixture of 5 coloured inks

d)

a mixture of sand and gravel

33.

Which factors affect the rate of a reaction?

a)

temperature

b)

concentration

c)

surface area

d)

pressure

e)

catalyst

34.

A temperature increase causes the particles to ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

35.

Why does a higher concentration increase the rate of reaction?

a)

it increases the amount of reactants

b)

it lowers the activation energy

c)

it increases the energy of particle collisions

d)

it increases the frequency of particle collisions

36.

Why does a higher temperature increase the rate of a reaction?

a)

it increases both the frequency and energy of particle collisions

b)

it only increases the frequency of particle collisions

c)

it only increases the energy of particle collisions

d)

it reduces the activation energy of the reaction

37.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
38.

Grinding a soluble tablet into powder increases the rate of reaction due to increased

a)

concentration

b)

surface area

c)

temperature

d)

reactants

39.

A temperature increase causes the particles ......

a)

to slow down

b)

move faster

c)

collide higher

d)

in the right order

40.
Why does breaking up a solid reactant increase the rate of reaction?
a)
it creates more solid
b)
it creates more energy
c)
it increases the surface area
d)
it increases the concentration
41.

Choose the more reactive metal

a)

sodium

b)

potassium

42.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

43.

Choose the less reactive metal

a)

copper

b)

gold

44.

On the chromatogram given................................is a mixture.

a)

red

b)

orange

c)

green

d)

black

45.

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

46.

Which coloured inks are pure?

a)

red

b)

orange

c)

green

d)

blue

47.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
48.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
49.

A(n) _______ is a substance with a pH greater than 7.

a)

Alkali

b)

Acid

c)

Buffer

d)

Water

50.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
51.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
52.
Is this image an example of covalent bonding?
a)
Yes
b)
No
53.

Non-metal + non-metal

a)

covalent

b)

ionic

54.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
55.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
56.

Makes a squeaky pop sound when lit

a)

Hydrogen

b)

Oxygen

c)

Chlorine

d)

Ammonia

57.

What is the relative formula mass of NaOH?

Na= 23

O= 16

H= 1

a)

20

b)

39

c)

40

d)

45

58.

What is the RFM of NaCl ?

Na= 23

Cl= 35

a)

58

b)

57

c)

60

d)

62

59.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
60.

For surfacing roads and roofs

a)

petrol

b)

bitumen

c)

fuel oil

d)

kerosene

61.

Petrol is used for:

a)

A. gas stoves

b)

B. surfacing roads

c)

C. as fuel for cars

d)

D. as fuel for lorries

62.

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

a)

A. heavier, more viscous and less flammable

b)

B. lighter, more viscous and less flammable

c)

C. heavier, less viscous and less flammable

d)

D. heavier, more viscous and more flammable

63.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
64.
What is the exam definition of saturated?
a)
No single bonds
b)
Contains a double bond
c)
No single bonds, all double bonds
d)
No double bonds, all single bonds
65.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
66.
a)

propane

b)

butane

c)

pentane

67.

Which formula represents ethene?

a)

A

b)

B

c)

C

d)

D

68.

Which compound would make bromine water colourless?

a)

A

b)

B

c)

C

d)

D

69.

The initial temperature was measured to be 20oC and the final temperature was 45oC. The reaction was

a)

exothermic

b)

endothermic

70.

The initial temperature was measured to be 20oC and the final temperature was 10oC. The reaction was

a)

exothermic

b)

endothermic

71.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
72.

You have 20 g of water. Specific heat (c) of water is 4.18. Temperature changes from 20° C to 25° C. How much heat energy (Q) moves from the surroundings to the water?


Use the formula: Q = mc∆t

a)

418 J

b)

209 J

c)

83 J

d)

4.18 J

73.

The mass of a catalysts in a chemical reaction

a)

stays the same

b)

increases

c)

decreases

74.

The alkali metals get ......................... as you go down the group.

a)

more

b)

less

75.

Which equation is balanced?

a)

Na + Cl2 --> NaCl

b)

2Na + Cl2 --> NaCl

c)

2Na + Cl2 --> 2NaCl

d)

Na + 2Cl2 --> NaCl

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