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

Sodium chloride is a liquid at 900°C. How are the particles arranged and how do the particles move in sodium chloride at 900°C? [Table_1]

2019 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

2.00 g of powdered calcium carbonate is added to 50.0 cm3 of hydrochloric acid.Which apparatus is used to measure the calcium carbonate and the hydroc...

2019 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Rock salt is a mixture of sand and sodium chloride.Sodium chloride is soluble in water but not in hexane.Sand is insoluble in both water and hexane.Wh...

2019 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

The colours in four dyes are separated using chromatography. Which chromatogram shows an insoluble colour?

2019 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

Which statement about an atom of fluorine, $^{19}_{9}F$, is correct?

2019 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Calcium reacts with chlorine to produce calcium chloride.What happens when a calcium ion forms during this reaction?

2019 Summer

1

MCQ

CH4 - ATOMS COMBINING

Which row describes the formation of single covalent bonds in methane?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

Diamond and graphite have giant covalent structures of carbon atoms. Which statement describes graphite?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

The compound magnesium nitrate has the formula Mg(NO$_3$)$_2$.What is the relative formula mass of magnesium nitrate?

2019 Summer

1

MCQ

CH1 - STATES OF MATTER

Four substances are electrolysed using inert electrodes. Which row describes the electrode products? [Table_1]

2019 Summer

2