MCQ

CH17 - ORGANIC CHEMISTRY

A compound has the formula $\text{CH}_3\text{CH}_2\text{CH} = \text{CH}_2$.Which row in the table shows the type of compound and the colour change whe...

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

The diagram shows an industrial process. Substance M is one of the substances produced by this process and is used as aircraft fuel. What is this proc...

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

The structures of three compounds are shown:Why do these substances all belong to the same homologous series?

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

Which bond is not in a molecule of ethanoic acid?

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

A compound has the formula CH₃CH₂CH=CH₂.Which row in the table shows the type of compound and the colour change when aqueous bromine is added?[T...

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

The structures of three compounds are shown.Why do these substances all belong to the same homologous series?

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

Which bond is not in a molecule of ethanoic acid?

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

The diagram shows an industrial process. Substance M is one of the substances produced by this process and is used as aircraft fuel. What is this p...

2009 Summer

Theory

CH17 - ORGANIC CHEMISTRY

Petroleum is a mixture of hydrocarbons which can be separated into fractions such as petrol, paraffin and diesel.(a) State the name of the process use...

2009 Summer

MCQ

CH17 - ORGANIC CHEMISTRY

The apparatus shows an experiment used to test gas X.[Image_1: Apparatus showing gas X flowing into an orange bromine solution]The bromine solution qu...

2009 Winter

Theory

CH4 - ATOMS COMBINING

(a) A list of compounds is shown.aluminium oxidecalcium bromidecalcium oxideethaneethenehydrogen chloridemethanenitrogen dioxidepotassium iodidepotass...

2020 Spring

Theory

CH14 - MAKING USE OF METALS

Iron is extracted by heating a mixture of coke (carbon), limestone and iron ore in air in a blast furnace.A diagram of the blast furnace is shown.(a) ...

2020 Spring

Theory

CH15 - AIR AND WATER

Water is essential for many industrial processes.(a) State one use of water in industry..................................................................

2020 Spring

Theory

CH17 - ORGANIC CHEMISTRY

Angelic acid and ethanoic acid are both carboxylic acids.The structure of angelic acid is shown.(a) (i) On the structure of angelic acid, draw a circl...

2020 Spring

Theory

CH12 - THE PERIODIC TABLE

The table shows some properties of four metals in Group I of the Periodic Table.[Table_1](a) Complete the table to estimate:• the melting point of r...

2020 Spring

Theory

CH11 - ACIDS AND BASES

This question is about the reactions of magnesium with nitric acid.(a) The equation for the reaction of magnesium with concentrated nitric acid is sho...

2020 Spring

Theory

CH1 - STATES OF MATTER

(a) The electrolysis of dilute sulfuric acid produces gases at both electrodes.(i) The incomplete apparatus is shown.Complete the diagram by:- labelli...

2020 Spring

Theory

CH4 - ATOMS COMBINING

(a) The structures of four substances C, D, E and F, are shown.(i) Which one of these substances, C, D, E or F, is a gas at room temperature?............

2020 Spring

MCQ

CH1 - STATES OF MATTER

Nitrogen is heated in a balloon, which expands slightly. Which statements about the molecules of nitrogen are correct? 1. They move further apart. 2...

2020 Summer

MCQ

CH1 - STATES OF MATTER

Which piece of apparatus should be used to measure exactly 21.4 \text{ cm}^3 of water?

2020 Summer