MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

The diagram shows some properties that substances may have.To which labelled part of the diagram does $^{235}\text{U}$ belong?

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

Which diagram shows a process in which an endothermic change is taking place?

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

The equation shows a reaction that is reversed by changing the conditions. forward reaction$\text{CuSO}_4·5\text{H}_2\text{O} \rightarrow \text{CuSO...

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

Which diagram shows a process in which an endothermic change is taking place?

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

The diagram shows some properties that substances may have. To which labelled part of the diagram does $^{235}U$ belong?

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

The equation shows a reaction that is reversed by changing the conditions.forward reaction$\text{CuSO}_4\cdot5\text{H}_2\text{O} \rightarrow \text{CuS...

2009 Summer

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

Substance X requires oxygen in order to produce energy.It does not form carbon dioxide as a result of this energy production.What is substance X?

2009 Winter

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

When an acid is added to an alkali the temperature rises. Which words describe this reaction?

2009 Winter

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

When blue copper(II) sulfate is heated, a white solid and water are formed. The white solid turns blue and gives out heat when water is added to it.Wh...

2009 Winter

MCQ

CH9 - ENERGY CHANGES AND REVERSIBLE REACTIONS

When an acid is added to an alkali the temperature rises.Which words describe this reaction?

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