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

2

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

1

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

1

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

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

2013 Summer

1

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

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which element is not added to a fertiliser?

2009 Summer

2

Theory

CH3 - ATOMS AND ELEMENTS

(a) The electronic structures of five atoms, A, B, C, D and E, are shown.Answer the following questions about these electronic structures.Each electro...

2022 Spring

2

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

(a) Biogas is a mixture of gases produced when agricultural waste is broken down in the absence of oxygen.The table compares the percentage by mass of...

2022 Spring

1

Theory

CH13 - THE BEHAVIOR OF METALS

This question is about metals.(a) State \textbf{three} general physical properties common to most metals.1 ..............................................

2022 Spring

1

Theory

CH11 - ACIDS AND BASES

This question is about acids, bases and salts.(a) Sodium hydroxide is a base.(i) Name the products formed when sodium hydroxide reacts with dilute nit...

2022 Spring

2

Theory

CH15 - AIR AND WATER

This question is about air.(a) The pie chart shows the proportions of the main gases in clean, dry air.(i) Name the gases G and H.gas G .................

2022 Spring

2

Theory

CH12 - THE PERIODIC TABLE

The table shows some properties of four Group I elements.[Table_1] element | melting point / $^{\circ}C$ | boiling point / $^{\circ}C$ | relative hard...

2022 Spring

2

Theory

CH17 - ORGANIC CHEMISTRY

(a) The structures of four organic compounds, P, Q, R and S, are shown.Answer the following questions about these structures.Each structure may be use...

2022 Spring

2

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about chlorine and compounds of chlorine.(a) Chlorine is an element in Group VII of the Periodic Table.State the meaning of the term ...

2022 Spring

1

MCQ

CH1 - STATES OF MATTER

Diagrams of the three states of matter for carbon dioxide are shown. Which two diagrams show the states of matter before and after the sublimation of...

2022 Summer

1

MCQ

CH1 - STATES OF MATTER

A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm$^3$ of dilute sulfuric acid. Which apparatus is essential to complete t...

2022 Summer

1