MCQ

CH1 - STATES OF MATTER

Which statement about the electrolysis of molten lead(II) bromide is correct?

2011 Summer

MCQ

CH1 - STATES OF MATTER

The diagram shows an unsuccessful experiment to nickel plate a pan. Which change is necessary to plate the pan with nickel?

2012 Summer

3

MCQ

CH1 - STATES OF MATTER

What will be produced at the anode and at the cathode, if molten potassium chloride is electrolysed? [Table_1]

2014 Summer

3

MCQ

CH1 - STATES OF MATTER

The diagram shows that two gases are formed when concentrated hydrochloric acid is electrolysed using inert electrodes. Which row correctly describes ...

2012 Summer

4

MCQ

CH1 - STATES OF MATTER

Molten lead(II) bromide is electrolysed as shown. Which ions are discharged at each electrode?

2009 Summer

2

MCQ

CH1 - STATES OF MATTER

Which of these elements could be formed at the anode when a molten salt is electrolysed?

2009 Summer

2

MCQ

CH1 - STATES OF MATTER

Concentrated aqueous sodium chloride, concentrated hydrochloric acid and molten lead bromide were separately electrolysed in experiments 1, 2 and 3. ...

2013 Summer

1

MCQ

CH1 - STATES OF MATTER

Three gas jars contain carbon dioxide, hydrogen and oxygen, as shown. Which one of the following tests could be used to discover which gas is in eac...

2012 Summer

3

MCQ

CH1 - STATES OF MATTER

The diagrams show the arrangement of particles in three different physical states of substance X. Which statement about the physical states of substan...

2011 Summer

1

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

CH1 - STATES OF MATTER

The diagram shows a cup of tea.Which row describes the water particles in the air above the cup compared with the water particles in the cup?[Table_1]

2010 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A fruit drink coloured orange contains a dissolved mixture of red and yellow colouring agents. One of these colouring agents is suspected of being ill...

2010 Summer

2

MCQ

CH1 - STATES OF MATTER

A student carries out an experiment to find how fast 3 cm pieces of magnesium ribbon dissolve in 10 cm$^3$ samples of sulfuric acid at different tempe...

2010 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which row shows the change that takes place when element X gains the new particle shown?[Table showing 'particle gained' and 'change']

2010 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows an atom. What is the proton number and neutron number of the atom?

2010 Summer

4

MCQ

CH3 - ATOMS AND ELEMENTS

The symbols of two atoms may be written as shown. \( ^{52}_{23}X \) \( ^{52}_{24}Y \) Which statement about these atoms is correct?

2010 Summer

2

MCQ

CH14 - MAKING USE OF METALS

Which name is given to mixtures of metals?

2010 Summer

2

MCQ

CH4 - ATOMS COMBINING

Element X has six electrons in its outer shell.How could the element react?

2010 Summer

2

MCQ

CH4 - ATOMS COMBINING

In which compounds are pairs of electrons shared between atoms?1. sodium chloride2. methane3. lead bromide

2010 Summer

1

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Hydrogen and chlorine react as shown.1 molecule of hydrogen + 1 molecule of chlorine \rightarrow 2 moles of hydrogen chloride.What is the equation for...

2010 Summer

1