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? [Tabl...

2013 Summer

1

MCQ

CH11 - ACIDS AND BASES

Crystals of sodium chloride were prepared by the following method.1. 25.0 cm3 of dilute hydrochloric acid was accurately measured into a conical flask...

2013 Summer

2

MCQ

CH11 - ACIDS AND BASES

Lead iodide is insoluble in water. Lead iodide is made by adding aqueous lead nitrate to aqueous potassium iodide. Which pieces of apparatus are neede...

2013 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

Element X is represented by $^{27}_{13}\text{X}$.Which statement about element X is correct?

2013 Summer

2

MCQ

CH12 - THE PERIODIC TABLE

The positions of four elements are shown on the outline of the Periodic Table.Which element forms a coloured oxide?

2013 Summer

2

MCQ

CH4 - ATOMS COMBINING

For which substance is the type of bonding not correct? [Table_1]

2013 Summer

1

MCQ

CH4 - ATOMS COMBINING

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

2013 Summer

3

MCQ

CH1 - STATES OF MATTER

The diagram shows an incomplete circuit. Which substance causes the lamp to light when added to the glass tube?

2013 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A compound with the formula $XF_2$ has a relative formula mass of 78. What is element X?

2013 Summer

1

MCQ

CH13 - THE BEHAVIOR OF METALS

What is the balanced chemical equation for the reaction between calcium and water?

2013 Summer

2