MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The carbon cycle includes the processes combustion, photosynthesis and respiration. Which row shows how each process changes the amount of carbon diox...

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which statement about the conditions used in the Haber process is not correct?

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The gases coming from a car’s engine contain oxides of nitrogen.How are these oxides formed?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Ammonia is manufactured by a reversible reaction.$$\text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g)$$The forward reaction is exotherm...

2016 Summer

1

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which statement about sulfuric acid is correct?

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Statements about methods of manufacture and uses of calcium oxide are shown.1. It is manufactured by reacting acids with calcium carbonate.2. It is ma...

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The Contact process is used for the manufacture of sulfuric acid. Which statement about this process is not correct?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Lime (calcium oxide) is used to treat waste water from a factory. Which substance is removed by the lime?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Calcium nitrate decomposes when it is heated.What is the equation for the thermal decomposition of calcium nitrate?

2017 Winter

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which metal is used as a catalyst in the Haber process for the manufacture of ammonia?

2017 Winter

1

Theory

CH3 - ATOMS AND ELEMENTS

The table shows the numbers of protons, neutrons and electrons in particles A to I.[Table_1]Answer the following questions about particles A to I. Eac...

2021 Spring

1

Theory

CH15 - AIR AND WATER

The elements shown are gases at room temperature and pressure.hydrogennitrogenoxygenchlorine(a) State which one of these gases is green..................

2021 Spring

1

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about ammonia.(a) Nitrogen reacts with hydrogen to form ammonia in an industrial process.$$N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(...

2021 Spring

1

Theory

Stoichiometry

A student wanted to make some zinc chloride crystals. The student followed the procedure shown. step 1 Add excess zinc powder to dilute hydrochlor...

2021 Spring

2

Theory

Plastics

The table shows the names or structures of organic compounds P to U. (a) Give the letters of the organic compounds, P to U, that are unsaturated hy...

2021 Spring

1

Theory

CH18 - POLYMERS

Polymers are large molecules built up from small molecules.(a) State the name given to the small molecules from which polymers are made..................

2021 Spring

2

MCQ

CH1 - STATES OF MATTER

A gas is released at point P in the apparatus shown. Which gas turns the damp universal indicator paper red most quickly?

2021 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A mixture is separated using the apparatus shown. What is the mixture?

2021 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Which statement about paper chromatography is correct?

2021 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Element X has 7 protons. Element Y has 8 more protons than X. Which statement about element Y is correct?

2021 Summer

1