1. States of matter

1.1 Solids, liquids and gases

1.2 Diffusion

2. Atoms, elements and compounds

2.1 Elements, compounds and mixtures

2.2 Atomic structure and the Periodic Table

2.3 Isotopes

2.4 Ions and ionic bonds

2.5 Simple molecules and covalent bonds

2.6 Giant covalent structures

2.7 Metallic bonding

3. Stoichiometry

3.1 Formulae

3.2 Relative masses of atoms and molecules

3.3 The mole and the Avogadro constant

4. Electrochemistry

4.1 Electrolysis

4.2 Hydrogen–oxygen fuel cells

5. Chemical energetics

5.1 Exothermic and endothermic reactions

6. Chemical reactions

6.1 Physical and chemical changes

6.2 Rate of reaction

6.3 Reversible reactions and equilibrium

6.4 Redox

7. Acids, bases and salts

7.1 The characteristic properties of acids and bases

7.2 Oxides

7.3 Preparation of salts

8. The Periodic Table

8.1 Arrangement of elements

8.2 Group I properties

8.3 Group VII properties

8.4 Transition elements

8.5 Noble gases

9. Metals

9.1 Properties of metals

9.2 Uses of metals

9.3 Alloys and their properties

9.4 Reactivity series

9.5 Corrosion of metals

9.6 Extraction of metals

10. Chemistry of the environment

10.1 Water

10.2 Fertilisers

10.3 Air quality and climate

11. Organic chemistry

11.1 Formulae, functional groups and terminology

11.2 Naming organic compounds

11.3 Fuels

11.4 Alkanes

11.5 Alkenes

11.6 Alcohols

11.7 Carboxylic acids

11.8 Polymers

12. Experimental techniques and chemical analysis

12.1 Experimental design

12.2 Acid–base titrations

12.3 Chromatography

12.4 Separation and purification

12.5 Identification of ions and gases

IGCSE Chemistry 10.2 Fertilisers Question Bank

[Maximum number: 1]

Answer the following questions using only the substances in the list. Each substance may be used once, more than once or not at all.

State which substance is:

(a)

used to manufacture fertilisers ..... [1]

[ 1 ]

[Maximum number: 1]

The symbols of the elements of Period 3 of the Periodic Table are shown.

Answer the following questions about these elements.
Each symbol may be used once, more than once or not at all.
Write the symbol of the element which:

(a)

is an important component of fertilisers [1]

[ 1 ]

[Maximum number: 1]

The names of the elements of Period 2 of the Periodic Table are shown.
lithium beryllium boron carbon nitrogen oxygen fluorine neon Answer the following questions about these elements. Each element may be used once, more than once or not at all.

Identify the element which:

(a)

is a main component of fertilisers used to improve crop growth

[ 1 ]

[Maximum number: 1]

This question is about the elements in Period 3 of the Periodic Table.

For each of the following, identify a Period 3 element which matches the description. Each element may be used once, more than once or not at all.

State which Period 3 element:

(a)

is non-metallic and an important component of fertilisers.

[ 1 ]

[Maximum number: 1]

The Haber process is used to manufacture ammonia.

(a)

Ammonia reacts with an acid to form ammonium sulfate, $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$ .

[ 1 ]

(i)

State one use of ammonium sulfate.

[ 1 ]

[Maximum number: 1]

Which combination of chemical compounds can be used to produce the fertiliser shown?

$\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}, \mathrm{KCl}$

$\mathrm{NH}_{4} \mathrm{NO}_{3}, \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}$

$\mathrm{NH}_{4} \mathrm{NO}_{3}, \mathrm{CO}\left(\mathrm{NH}_{2}\right)_{2}$

$\mathrm{NH}_{4} \mathrm{NO}_{3}, \mathrm{~K}_{2} \mathrm{SO}_{4},\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

[Maximum number: 1]

Fertilisers are used to provide three of the elements needed for plant growth.
Which two compounds would give a fertiliser containing all three of these elements?

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

[Maximum number: 1]

Fertilisers are used to provide three of the elements needed for plant growth.
Which two compounds would give a fertiliser containing all three of these elements?

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

[Maximum number: 1]

Fertilisers are used to provide three of the elements needed for plant growth.
Which two compounds would give a fertiliser containing all three of these elements?

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}$

$\mathrm{KNO}_{3}$ and $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$

[Maximum number: 1]

Which pair of compounds would make an NPK fertiliser?

ammonium sulfate and potassium phosphate

calcium hydroxide and ammonium nitrate

calcium phosphate and potassium chloride

potassium nitrate and ammonium sulfate

0 selected

Question 1

Question 1(d)

Question 1

Question 1(e)

Question 1

Question 1(d)

Question 2

Question 2(g)

Question 3

Question 3(c)

Question 3(c)(ii)

Question 30

Question 31

Question 31

Question 31

Question 31