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

Theory

Transition Elements

The diagram shows part of the Periodic Table.Answer the following questions using only the symbols of the elements in the diagram. Each symbol may be ...

2021 Spring

2

Theory

CH3 - ATOMS AND ELEMENTS

The table shows the mass of some of the ions in a 1000 cm$^3$ sample of sea water.[Table_1](a) Answer these questions using only the information in th...

2021 Spring

3

Theory

Transition Elements

The table shows some properties of four halogens.(a) (i) Complete the table by predicting:• the boiling point of chlorine• the density of fl...

2021 Spring

2

Theory

CH10 - THE SPEED OF A REACTION

A student investigates the reaction of magnesium powder with dilute hydrochloric acid. The magnesium is in excess.Mg + 2HCl → MgCl2 + H2The rate of ...

2021 Spring

2

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about sulfur and compounds of sulfur.(a) Sulfur is a non-metal. Describe three physical properties which are typical of non-metals.1 ...

2021 Spring

2

Theory

Plastics

The structure of compound A is shown. (a) (i) On the structure of compound A, draw a circle around the carboxylic acid functional group. [1] (ii) ...

2021 Spring

1

Theory

CH1 - STATES OF MATTER

Sodium is manufactured by electrolysis.(a) Explain why sodium is manufactured by electrolysis and \textbf{not} by reduction with carbon..................

2021 Spring

1

Theory

Chemical Properties of Acids and Bases

Aqueous ammonia is an alkali.(a) Complete the dot-and-cross diagram to show the electron arrangement in a molecule of ammonia.(b) Complete the word eq...

2021 Spring

2

MCQ

CH1 - STATES OF MATTER

Which row describes the arrangement and movement of particles in a liquid?[Table_1]

2021 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A mixture is separated using the apparatus shown. What is the mixture?

2021 Summer

2