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 changes that occur when a substance changes state are shown below.$$ \text{solid} \underset{Z}{\overset{W}{\leftrightarrows}} \text{liquid} \under...

2015 Summer

1

MCQ

CH1 - STATES OF MATTER

A student uses the apparatus shown in the diagram below to measure the volume of carbon dioxide gas made when different masses of marble chips are add...

2015 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

Atoms contain electrons, neutrons and protons.What is the definition of nucleon number?

2015 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

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

2015 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statements comparing the properties of electrons, neutrons and protons are correct? [Table_1: Neutrons and protons are both heavier than electr...

2015 Summer

2

MCQ

CH4 - ATOMS COMBINING

Rescuers are drilling through fallen rock in order to rescue some men trapped in a cave. The drill needs lubricating from time to time. The following...

2015 Summer

1

MCQ

CH4 - ATOMS COMBINING

In which compounds are pairs of electrons shared between atoms?1. methane2. lead bromide3. sodium chloride

2015 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative formula mass, $M_r$, of CaCO$_3$?

2015 Summer

2

MCQ

CH1 - STATES OF MATTER

Copper and hydrogen can each be formed by electrolysis. At which electrodes are these elements formed? [Table_1]

2015 Summer

1

MCQ

CH1 - STATES OF MATTER

The diagram shows a failed attempt to copper-plate a pan.Which action will plate the pan with copper?

2015 Summer

2