Free Printable Y10 Mid-GCSE review

1.

A single line drawn between two atoms represents:

a)

A single covalent bond

b)

A single electron

c)

A shared pair of electrons

d)

A single proton

2.

An anion is:

a)

An onion which has gone bad.

b)

A positive ion.

c)

A negative ion.

d)

A molecule.

3.

A compound with an -ate ending:

a)

Contains oxygen only.

b)

Contains sulphur.

c)

Contains oxygen in addition to two other elements.

d)

Contains nitrogen.

4.

What is the sulphate ion?

a)

S^2-

b)

S²⁺

c)

SO₄^2-

d)

SO₄²⁺

5.

Name the compound MgCO₃

a)

Magnesium carbonite

b)

Magnesium carbonate

c)

Magnesium carbon

d)

Magnesium carbonide

6.

Give the formula of sodium sulphate.

a)

NaSO₄

b)

NaSO

c)

Na₂SO

d)

Na₂SO₄

7.

What is the formula of aluminium carbonate?

a)

Al(CO₃)₃

b)

Al₂(CO₃)₃

c)

Al₃(CO₂)₂

d)

Al₂CO₃

8.

What is the formula of ammonium hydroxide?

a)

(NH₄)₂OH

b)

NH₄OH

c)

NH₆O

d)

NH₃O

9.

Select the correct equation for the following reaction:

iron reacting with sulphur to form iron (II) sulphide.

a)

$Fe\ +S\ +2O_2\ \rightarrow\ FeSO_4$

b)

$Fe\ +S\ +O_2\ \rightarrow\ FeSO_4$

c)

$Fe\ +S\ \rightarrow\ FeS$

d)

$Fe\ +2S\ \rightarrow\ FeS_2$

10.

High pH values show solutions are:

a)

Strongly acidic

b)

Strongly alkaline

c)

Neutral

d)

Weakly acidic

11.

In an acidic solution methyl orange is:

a)

Yellow

b)

Orange

c)

Red

d)

Blue

12.

In an acidic solution phenolphthalein is:

a)

Red

b)

Pink

c)

Colourless

d)

Blue

13.

A high concentration of H⁺ions in solution will give:

a)

A high pH.

b)

A low pH.

c)

A negative pH.

d)

A medium pH.

14.

A base is:

a)

A soluble alkali.

b)

Something containing H⁺.

c)

Something containing OH^-.

d)

A substance that reacts with an acid to form salt and water only.

15.

Weak acids...

a)

... partially dissociate in solution.

b)

... fully dissociate in solution.

c)

... partially move in solution.

d)

... fully move in solution.

16.

Acid + Ammonia $\rightarrow$

a)

Salt + Water

b)

Salt + Hydrogen

c)

Salt + Water + Carbon dioxide

d)

Salt only

17.

The ionic equation for neutralisation is:

a)

$NaOH\ +HCl\ \rightarrow\ NaCl\ +H_2O$

b)

$2KOH\ +H_2SO_4\ \rightarrow\ K_2SO_4\ +2H_2O$

c)

$OH^{-\ }+\ OH^-\ \rightarrow\ H_2O_2$

d)

$H^+\ +\ OH^-\ \rightarrow\ H_2O$

18.

Preparation of which kind of salt features filtration?

a)

Insoluble

b)

Soluble

c)

Both soluble and insoluble

d)

Neither soluble or insoluble

19.

Iron chloride is ...

a)

... soluble

b)

... insoluble

20.

Copper hydroxide is ...

a)

... soluble

b)

... insoluble

21.

Select the correct equation from the options below:

a)

$CuO\ +\ HCl\ \rightarrow\ CuCl\ +\ H_2O$

b)

$CuO\ +\ HCl\ \rightarrow\ CuCl\ +\ H_2$

c)

$CuO\ +2HCl\ \rightarrow\ CuCl_2\ +\ H_2$

d)

$CuO\ +\ 2HCl\ \rightarrow\ CuCl_2\ +\ H_2O$

22.

Select the correct equation from the options below:

a)

$H_2SO_4\ +\ 2KOH\ \rightarrow\ K_2SO_4\ +\ 2H_2$

b)

$H_2SO_4\ +\ KOH\ \rightarrow\ KSO_4\ +H_2$

c)

$H_2SO_4\ +2KOH\ \rightarrow\ K_2SO_4\ +\ 2H_2O$

d)

$H_2SO_4\ +\ KOH\ \rightarrow\ KSO_4\ +\ H_2O$

23.

A cation is:

a)

A neutral atom

b)

A molecule

c)

A positive ion

d)

A negative ion

24.

More reactive metals form cations ...

a)

... more readily.

b)

... less readily.

25.

Select the most reactive metal from the options below:

a)

Zn

b)

Ag

c)

K

d)

Fe

26.

In displacement reactions ...

a)

... the more reactive metal is displaced from the compound.

b)

... the more reactive metal displaces the less reactive metal from the compound.

27.

In redox reactions:

a)

Electrons are lost.

b)

Electrons are gained.

c)

Electrons are lost and gained.

d)

There is no movement of electrons.

28.

Phytoextraction is the use of:

a)

Bacteria to extract a metal from its ore.

b)

Plants to extract a metal from its ore.

29.

Oxidation is:

a)

The addition of oxygen.

b)

The removal of oxygen.

c)

The addition of electrons.

d)

The removal of electrons.

30.

Magnalium, used for aircraft parts is an alloy of:

a)

Copper

b)

Aluminium

c)

Alnico

d)

Magnesium

31.

Aluminium is used for aircraft parts as it is:

a)

A good conductor of heat and electricity.

b)

Strong and low density.

c)

Malleable and a good conductor of electricity.

d)

Strong and a good conductor of heat.

32.

Rusting can be prevented by:

a)

Exclusion of air.

b)

Exclusion of water.

c)

Sacrificial protection.

d)

Applying oil/paint to create a barrier.

33.

A lifecycle assessment of a product features:

a)

Extracting and processing the raw materials needed.

b)

Manufacturing the product and it packaging.

c)

Using the product during its lifetime.

d)

Disposing of the product at the end of its useful life.

34.

What is the general formula of the alkenes?

a)

C_nH_2n

b)

C_nH_2n+1

c)

C_nH_2n+2

d)

C_nH_2n+3

35.

What is the formula of ethene?

a)

C₂H₆

b)

CH₆

c)

C₂H₄

d)

CH₄

36.

What is the formula of propane?

a)

C₅H₁₀

b)

C₅H₁₂

c)

C₃H₆

d)

C₃H₈

37.

A homologous series is a series of compounds which have:

a)

Same general formula.

b)

Differ by CH₂ in molecular formulae from neighbouring compounds.

c)

Show gradual variation in physical properties.

d)

Have similar chemical properties.

38.

Crude oil can be separated into fractions by:

a)

Crystallisation

b)

Filtration

c)

Simple distillation

d)

Fractional distillation

39.

Which fraction is used as a fuel for aircraft?

a)

Bitumen

b)

Kerosene

c)

Petrol

d)

Fuel oil

40.

Which fraction is used as a fuel for large ships and in some power stations?

a)

Bitumen

b)

Kerosene

c)

Petrol

d)

Fuel oil

41.

Select the correct statements.

a)

Fuel oil is a larger molecule than petrol.

b)

Fuel oil is more volatile than petrol.

c)

Fuel oil has a lower boiling point than petrol.

d)

Fuel oil is more viscous than petrol.

42.

Carbon monoxide is dangerous because it:

a)

Binds to haemoglobin in the place of oxygen.

b)

Causes slow suffocation.

c)

Is highly flammable.

d)

Is a heavy gas.

43.

What do you observe when adding bromine water to ethene?

a)

Colourless to brown.

b)

Effervescence

c)

Brown to colourless

d)

Orange to red

44.

Select the correct equation.

a)

$Br\ +C_2H_4\ \rightarrow\ C_2H_4Br$

b)

$2Br_2\ +C_2H_4\ \rightarrow\ 2HBr\ +C_2H_2Br_2$

c)

$Br_2\ +C_2H_4\ \rightarrow\ C_2H_4Br_2$

d)

$2Br_2\ +C_2H_4\ \rightarrow\ C_2H_4Br_2\ +2HBr$

45.

The Earth’s early atmosphere was mainly due to:

a)

Waterfalls

b)

Volcanic activity

c)

Meteors

d)

Earthquakes

46.

Select the true statements from the list below.

a)

The early atmosphere probably contained little or no oxygen.

b)

The early atmosphere contained a high proportion of oxygen.

c)

The early atmosphere probably contained a large amount of carbon dioxide.

d)

The early atmosphere probably contained a small amount of carbon dioxide.

47.

What is the proportion of nitrogen in the modern atmosphere?

a)

21%

b)

0.04%

c)

78%

d)

0.9%

48.

Photosynthesis changed the atmosphere as:

a)

It increased the concentration of carbon dioxide in the atmosphere.

b)

It decreased the concentration of carbon dioxide in the atmosphere.

c)

It increased the concentration of oxygen in the atmosphere.

d)

It decreased the concentration of oxygen in the atmosphere.

49.

True or false? “Limestone is formed from the shells and skeletons of marine organisms which have been buried under layers of sediment.”

a)

True

b)

False

50.

What caused the proportion of oxygen in the air to increase as the atmosphere evolved?

a)

Burning fossil fuels

b)

Volcanic eruptions

c)

Plants and algae photosynthesising.

51.

What process can be used to separate out the different gases in air?

a)

Climate change

b)

Cracking

c)

Fractional distillation

52.

The greenhouse effect is:

a)

Bad.

b)

Responsible for keeping our climate temperate.

c)

When short-wavelength radiation is absorbed and re-emitted from the Earth’s surface as long-wavelength radiation which is absorbed by greenhouse gases in the atmosphere which then re-radiate it in all directions.

d)

Something that allows crops to grow.

53.

Deforestation is a problem as it results in:

a)

Less carbon dioxide being produced.

b)

Less carbon dioxide being taken in.

c)

Less oxygen being produced.

d)

Less oxygen being taken in.

54.

How are elements arranged in the Periodic Table?

a)

In rows called columns, by increasing mass number.

b)

In rows called periods, by increasing mass number.

c)

In rows called columns, by increasing atomic number.

d)

In rows called periods, by increasing atomic number.

55.

Elements in the same group in the Periodic Table have:

a)

Similar reactivity

b)

The same melting and boiling points

c)

The same number of outer shell electrons

d)

The same mass

56.

When lithium reacts with water, the following observations are true:

a)

Melts into a ball.

b)

Effervescence is seen.

c)

Burns with a lilac flame.

d)

Floats on the surface of the water.

57.

How should you test for chlorine gas?

a)

Damp blue litmus paper goes red.

b)

Damp red litmus paper goes blue.

c)

Damp blue litmus paper goes red then bleaches white.

d)

Damp red litmus paper goes blue, then bleaches white.

58.

Noble gases are useful for different applications because:

a)

They are inert.

b)

They are very reactive.

c)

They have a low density.

d)

They are not flammable.

59.

Give the correct equation for the reaction of sodium with water.

a)

$Na\ +H_2O\ \rightarrow\ NaOH\ +H$

b)

$2Na\ +2H_2O\ \rightarrow\ 2NaOH\ +H_2$

c)

$Na\ +OH^-\ \rightarrow NaOH$

d)

$Na\ +H_2O\ \rightarrow\ NaOH\ +H_2$

60.

Group 7 elements react with iron. Select the symbol equation that shows the reaction of iron and fluorine.

a)

$Fe\ +F\ \rightarrow FeF$

b)

$Fe\ +F_2\ \rightarrow\ FeF_3$

c)

$2Fe\ +\ 3F_2\ \rightarrow\ 2FeF_3$

d)

$2Fe\ +F_2\ \rightarrow\ FeF_3$

Y10 Mid-GCSE review

Total questions: 60

Worksheet time: 30mins

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