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

Which diagram shows the process of diffusion?[Image_1: A, B, C, D diagrams with different atoms]

2012 Summer

2

Theory

CH2 - SEPARATING SUBSTANCES

Which method is most suitable to obtain zinc carbonate from a suspension of zinc carbonate in water?A) crystallisationB) distillationC) evaporationD) ...

2012 Summer

1

Theory

CH10 - THE SPEED OF A REACTION

A student investigates how the concentration of an acid affects the speed of reaction with a 0.5 g mass of magnesium at 30°C.The student has a beaker...

2012 Summer

1

Theory

CH3 - ATOMS AND ELEMENTS

An element Y has the proton number 18.The next element in the Periodic Table is an element Z.Which statement is correct?A. Element Z has one more elec...

2012 Summer

1

Theory

CH3 - ATOMS AND ELEMENTS

Which atom has twice as many neutrons as protons?A: $^1_1\text{H}$B: $^2_1\text{H}$C: $^3_1\text{H}$D: $^4_2\text{He}$

2012 Summer

2

Theory

CH4 - ATOMS COMBINING

Which is a simple covalent molecule?[Table_1]

2012 Summer

1

Theory

CH4 - ATOMS COMBINING

The electronic structures of atoms P and Q are shown.P and Q react to form an ionic compound.What is the formula of this compound?A. PQ2B. P2QC. P2Q6D...

2012 Summer

1

Theory

CH4 - ATOMS COMBINING

The diagrams show the structures of two forms, P and Q, of a solid element.What are suitable uses of P and Q, based on their structures?[Table_1]| |...

2012 Summer

1

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

The equation for the reaction between magnesium and dilute sulfuric acid is shown.$$\text{Mg } + \text{ H}_2\text{SO}_4 \rightarrow \text{MgSO}_4 + \t...

2012 Summer

1

Theory

CH1 - STATES OF MATTER

Winston Churchill, a British Prime Minister, had his false teeth electroplated with gold. The teeth were coated with a thin layer of carbon and were t...

2012 Summer

1