MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Fertilisers are used to provide three elements needed to increase the yield of crops.Which two compounds, when used together, would provide all three ...

2012 Summer

3

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which compound would not be an effective fertiliser?

2014 Summer

3

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Sulfur dioxide, $\text{SO}_2$, nitrogen dioxide, $\text{NO}_2$, and carbon monoxide, $\text{CO}$, are air pollutants.Which row correctly shows their m...

2014 Summer

3

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which two substances, when reacted together, would form a salt that contains two of the essential elements provided by fertilisers?

2011 Summer

1

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

To grow roses, a fertiliser containing nitrogen, phosphorus and potassium is needed. For the best flowers, the fertiliser should contain a high propor...

2010 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

When coal and oil burn in power stations, the acidic gas sulfur dioxide is formed. Sulfur dioxide is removed by absorbing it in a liquid sprayed down ...

2012 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which substance would make the best general fertiliser?[Table_1]

2013 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which process does not produce carbon dioxide?

2014 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which pollutant gas is produced by the decomposition of vegetation?

2014 Summer

3

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which element is not added to a fertiliser?

2009 Summer

2

Theory

CH4 - ATOMS COMBINING

(a) A list of compounds is shown.aluminium oxidecalcium bromidecalcium oxideethaneethenehydrogen chloridemethanenitrogen dioxidepotassium iodidepotass...

2020 Spring

1

Theory

CH14 - MAKING USE OF METALS

Iron is extracted by heating a mixture of coke (carbon), limestone and iron ore in air in a blast furnace.A diagram of the blast furnace is shown.(a) ...

2020 Spring

1

Theory

CH15 - AIR AND WATER

Water is essential for many industrial processes.(a) State one use of water in industry..................................................................

2020 Spring

1

Theory

CH17 - ORGANIC CHEMISTRY

Angelic acid and ethanoic acid are both carboxylic acids.The structure of angelic acid is shown.(a) (i) On the structure of angelic acid, draw a circl...

2020 Spring

2

Theory

CH12 - THE PERIODIC TABLE

The table shows some properties of four metals in Group I of the Periodic Table.[Table_1](a) Complete the table to estimate:• the melting point of r...

2020 Spring

2

Theory

CH11 - ACIDS AND BASES

This question is about the reactions of magnesium with nitric acid.(a) The equation for the reaction of magnesium with concentrated nitric acid is sho...

2020 Spring

2

Theory

CH1 - STATES OF MATTER

(a) The electrolysis of dilute sulfuric acid produces gases at both electrodes.(i) The incomplete apparatus is shown.Complete the diagram by:- labelli...

2020 Spring

2

Theory

CH4 - ATOMS COMBINING

(a) The structures of four substances C, D, E and F, are shown.(i) Which one of these substances, C, D, E or F, is a gas at room temperature?............

2020 Spring

2

MCQ

CH1 - STATES OF MATTER

Nitrogen is heated in a balloon, which expands slightly. Which statements about the molecules of nitrogen are correct? 1. They move further apart. 2...

2020 Summer

2

MCQ

CH1 - STATES OF MATTER

Which piece of apparatus should be used to measure exactly 21.4 \text{ cm}^3 of water?

2020 Summer

1