MCQ

CH15 - AIR AND WATER

Water from a reservoir flows to the water works where purification process 1 takes place followed by process 2.What are purification processes 1 and 2...

2011 Summer

3

MCQ

CH15 - AIR AND WATER

Water for human use is treated by filtration then chlorination. Which uses do not need water of this quality? 1. water for cooling in industry 2. w...

2012 Summer

3

MCQ

CH15 - AIR AND WATER

Carbon monoxide is an air pollutant produced when petrol is burned in a car engine.Why is carbon monoxide considered to be an air pollutant?

2012 Summer

2

MCQ

CH15 - AIR AND WATER

A new planet has been discovered and its atmosphere has been analysed.The table shows the composition of the atmosphere.[Table_1]Which gases are prese...

2012 Summer

2

MCQ

CH15 - AIR AND WATER

Greenhouse gases may contribute to climate change.Two of these gases are emitted into the atmosphere as a result of processes within animals.Gas ....1...

2011 Summer

2

MCQ

CH15 - AIR AND WATER

The diagram shows some uses of water in the home.For which uses is it important for the water to have been treated?

2014 Summer

4

MCQ

CH15 - AIR AND WATER

The diagram shows the composition by volume of air. What is X?

2011 Summer

3

MCQ

CH15 - AIR AND WATER

The diagram shows three types of item.[Image_1: Diagram with cutlery, cooking pan, instruments used in hospitals]Which method of rust prevention can b...

2010 Summer

2

MCQ

CH15 - AIR AND WATER

A piece of uncoated iron and three pieces of iron with various coatings were left exposed to the air. Which piece of iron would rust?

2014 Summer

2

MCQ

CH15 - AIR AND WATER

The diagram shows a stage in the purification of dirty water. Which process does this apparatus show?

2013 Summer

2

MCQ

CH1 - STATES OF MATTER

The diagram shows some changes of state.Which words describe the changes of state, P, Q, R and S?

2017 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

The diagram shows part of a thermometer. What is the reading on the thermometer?

2017 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

Pure water has a boiling point of 100 °C and a freezing point of 0 °C.What is the boiling point and freezing point of a sample of aqueous sodium chl...

2017 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

Pure copper(II) sulfate crystals can be made by adding copper(II) oxide to hot dilute sulfuric acid. The copper(II) oxide is added until it ......1......

2017 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which part of an atom has a relative mass of 1 and a relative charge of 0?

2017 Summer

3

MCQ

CH4 - ATOMS COMBINING

Which molecule contains exactly two single covalent bonds?

2017 Summer

2

MCQ

CH4 - ATOMS COMBINING

Sodium reacts with chlorine to form sodium chloride. Which statements describe what happens to the sodium atoms in this reaction? 1. Sodium atoms fo...

2017 Summer

3

MCQ

CH4 - ATOMS COMBINING

Diamond is extremely hard and does not conduct electricity. Which statement explains these properties?

2017 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative formula mass of ammonium nitrate, NH$_4$NO$_3$?

2017 Summer

2

MCQ

CH1 - STATES OF MATTER

Concentrated aqueous sodium chloride is electrolysed. What is the main product formed at the positive electrode (anode)?

2017 Summer

2