MCQ

CH1 - STATES OF MATTER

The reactivity series for a number of different metals is shown.[Image_1: Reactivity series chart]most reactive --> least reactivemagnesium | zinc ...

2017 Summer

2

MCQ

CH1 - STATES OF MATTER

The diagram shows the electrolysis of molten zinc chloride, $ZnCl_2$.Which statement is correct?

2016 Summer

3

MCQ

CH1 - STATES OF MATTER

The diagram shows a simple cell. For which pair of metals would electrons flow from metal X to metal Y?

2016 Summer

2

MCQ

CH1 - STATES OF MATTER

Small crystals of purple KMnO$_4$ ($M_r = 158$) and orange K$_2$Cr$_2$O$_7$ ($M_r = 294$) were placed at the centres of separate petri dishes filled w...

2017 Summer

2

MCQ

CH1 - STATES OF MATTER

The particles of a substance gain energy and change from a regular ordered structure to a disordered structure with large distances between the partic...

2016 Summer

3

MCQ

CH1 - STATES OF MATTER

Silver chloride is a white solid which is insoluble in water.Which statement describes how a sample of pure silver chloride can be made?

2017 Summer

2

MCQ

CH1 - STATES OF MATTER

Which statement about electrolysis is correct?

2017 Summer

1

MCQ

CH1 - STATES OF MATTER

Which metal combination produces the highest voltage reading in the cells shown?

2017 Winter

3

MCQ

CH1 - STATES OF MATTER

Which apparatus could be used to electroplate an iron nail with copper?

2016 Winter

2

MCQ

CH1 - STATES OF MATTER

A student sets up a number of simple cells by putting strips of two different metals into dilute sulfuric acid. Which cell produces the highest voltag...

2016 Winter

3

Theory

CH1 - STATES OF MATTER

The changes that occur when a substance changes state are shown below.Which process, W, X, Y or Z, is occurring in the following four situations?1. Bu...

2015 Summer

1

Theory

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

2

Theory

CH3 - ATOMS AND ELEMENTS

Atoms contain electrons, neutrons and protons. What is the definition of nucleon number? A the number of neutrons in the nucleus of an atom B the numb...

2015 Summer

2

Theory

CH3 - ATOMS AND ELEMENTS

The diagram shows the atomic structure of an element X. What is X?A. aluminiumB. berylliumC. boronD. fluorine

2015 Summer

2

Theory

CH3 - ATOMS AND ELEMENTS

Which statements comparing the properties of electrons, neutrons and protons are correct?[Table_1]Table:| | neutrons and protons are both heavier th...

2015 Summer

2

Theory

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 s...

2015 Summer

1

Theory

CH4 - ATOMS COMBINING

In which compounds are pairs of electrons shared between atoms?1. methane2. lead bromide3. sodium chlorideA. 1 onlyB. 2 onlyC. 1 and 3D. 1, 2 and 3

2015 Summer

2

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative formula mass, $M_r$, of $CaCO_3$?A. 50B. 68C. 100D. 204

2015 Summer

2

Theory

CH1 - STATES OF MATTER

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

2015 Summer

2

Theory

CH1 - STATES OF MATTER

The diagram shows a failed attempt to copper-plate a pan.Which action will plate the pan with copper?A. cooling the copper sulfate solution in an ice ...

2015 Summer

2