2025-2026 Year 11 revsion multiple choice quiz 1

Carbon dioxide

Carbon monoxide

Hydrogen

Oxygen

4H^+ ⟶ 2H_2

H_2O ⟶ 2H^+ + O^{2-}

H^+ + OH^− ⟶ H_2O

O_2 + H_2 ⟶ H_2O + O^{2-}

Ethanol is an ionic compound.

The forces of attraction between ethanol molecules are strong.

The forces of attraction between ethanol molecules are weak.

There are no forces of attraction between ethanol molecules.

Electrons are transferred from one atom to another.

Electrons are delocalised.

Electrons are shared between atoms. (pair of electrons)

Ions are formed.

Consists of just one element or compound

Has a low melting point

Is a mixture of two or more substances

Melts over a range of temperatures

The difference between the energy of the reactants and the products

The energy needed for a reaction to start

The energy of the products

The energy of the starting materials

The acid is completely ionised in solution in water.

The acid is partially ionised in solution in water.

There is a large amount of acid and a small amount of water.

There is a large amount of water and a small amount of acid.

Oxygen is given off.

The magnesium melts.

The magnesium is oxidised to magnesium oxide.

The magnesium reacts to make magnesium carbonate.

Electrons are transferred from hydrogen atoms to carbon atoms.

The covalent bonds in methane are weak.

The force of attraction between methane molecules is weak.

The ionic bonds between carbon and hydrogen are very strong.

Chromatography

Crystallisation

Simple Distillation

Filtration

It is a dull grey colour.

It is in Group 4 of the periodic table.

It is in Period 6 of the periodic table.

It is malleable and can be easily shaped.

3 g

4 g

11 g

12 g

83.0

90.0

106.0

130.0

Charges

Numbers of electrons

Numbers of neutrons

Numbers of protons

0.17

0.42

0.83

1.00

Close together - in continuous random motion

Close together - vibrating about a fixed point

Far apart - in continuous random motion

Far apart - vibrating about a fixed point

A

B

C

D

CH_{2}

C_{2}H_{4}

C_{5}H_{10}

A

B

C

D

A

B

C

D

Simple molecules have weak covalent bonds between atoms.

Simple molecules have weak intermolecular forces between atoms.

Simple molecules have weak ionic bonds between the molecules.

Simple molecules have weak intermolecular forces between the molecules.

In order of decreasing atomic mass and similar physical properties.

In order of increasing atomic number and similar physical properties.

In order of decreasing atomic number and similar chemical properties.

In order of increasing atomic mass and similar chemical properties.

Diamond, graphite, graphene.

Diamond, granite, graphite.

Fullerene, graphene, ethene.

Granite, graphite, graphene.

2

2, 6

2, 8, 6

2, 8, 8, 6

Aqueous

Gas

Liquid

Solid

1.204 \times 10^{24}

1.505 \times 10^{23}

3.010 \times 10^{23}

2.8 g

4.4 g

14.4 g

17.6 g

0.18

0.25

4.0

5.6

2Br^- \rightarrow Br_2 + 2e^-

Br^- \rightarrow Br + e^-

Br_2 + 2e^- \rightarrow 2Br^-

Carbon dioxide

Magnesium oxide

Sulfur dioxide

Silicon dioxide