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

2

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 how the molecules in the exhaust gases diffuse into the air. Which statement describes what happens to these molecules next?

2009 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A student takes 2 g samples of calcium carbonate and adds them to 20 cm^3 samples of dilute hydrochloric acid at different temperatures. She measures ...

2009 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

The diagram shows the paper chromatograms of four substances, W, X, Y and Z.Which two substances are pure?

2009 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

An element S has the proton number 18. The next element in the Periodic Table is an element T. Which statement is correct?

2009 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which numbers are added together to give the nucleon number of an ion?

2009 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The electronic configuration of an ion is 2.8.8. What could this ion be?[Table showing options for $S^{2-}$ and $Ca^{2+}$]

2009 Summer

2

MCQ

CH4 - ATOMS COMBINING

The diagrams show the structures of two forms, P and Q, of a solid element. What are suitable uses of P and Q, based on their structures?

2009 Summer

2

MCQ

CH4 - ATOMS COMBINING

Element V forms an acidic, covalent oxide. Which row in the table shows how many electrons there could be in the outer shell of an atom of V? [Table_1...

2009 Summer

2

MCQ

CH4 - ATOMS COMBINING

When sodium chloride is formed from its elements, each chlorine atom ...... 1 ...... one ...... 2 .......Which words correctly complete gaps 1 and 2?

2009 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Nitrogen and hydrogen react together to form ammonia.$N_2 + 3H_2 \rightarrow 2NH_3$When completely converted, 7 tonnes of nitrogen gives 8.5 tonnes of...

2009 Summer

1