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

MCQ

CH1 - STATES OF MATTER

The diagram shows the result of dropping a purple crystal into water. Which processes take place in this experiment?

2014 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

The four pieces of apparatus shown below are used in chemical experiments. Which statement about the apparatus is correct?

2014 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

Alcohol and water are completely miscible. This means when mixed together they form only one liquid layer. Which method is used to separate alcohol fr...

2014 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows the structure of an atom of element X. What is X?

2014 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagrams show four particles.Which two diagrams show atoms that are isotopes of each other?

2014 Summer

1

MCQ

CH4 - ATOMS COMBINING

The 'lead' in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper mo...

2014 Summer

2

MCQ

CH4 - ATOMS COMBINING

Element X is in Group I of the Periodic Table. X reacts with element Y to form an ionic compound.Which equation shows the process that takes place whe...

2014 Summer

1

MCQ

CH4 - ATOMS COMBINING

Solid F is an element. Solid G is a compound. Neither solid conducts electricity but G conducts electricity when dissolved in water. These properties ...

2014 Summer

1

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A compound contains one atom of calcium, two atoms of hydrogen and two atoms of oxygen. What is the correct chemical formula of the compound?

2014 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

In athletics, banned drugs such as nandrolone have been taken illegally to improve performance. Nandrolone has the molecular formula $C_{18}H_{26}O_2$...

2014 Summer

1