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

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 substanc...

2011 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

An aqueous solution is coloured.Which method of separation would show that the solution contains ions of different colours?

2011 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

The table gives the solubility of four substances in ethanol and in water.A mixture containing all four substances is added to ethanol, stirred and fi...

2011 Summer

MCQ

CH4 - ATOMS COMBINING

Which two elements react together to form an ionic compound?[Table_1]element | electronic structure---------|---------------------W | 2,4X ...

2011 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows part of the Periodic Table. Which element is correctly matched with its electronic structure?

2011 Summer

MCQ

CH4 - ATOMS COMBINING

In the diagrams, circles of different sizes represent atoms of different elements. Which diagram represents hydrogen chloride gas?

2011 Summer

MCQ

CH4 - ATOMS COMBINING

The nucleon number and proton number of the lithium atom are shown by the symbol $^7_3\text{Li}$. What is the correct symbol for the lithium ion in l...

2011 Summer

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative molecular mass ($M_r$) of $HNO_3$?

2011 Summer

MCQ

CH14 - MAKING USE OF METALS

Electricity from a power station passes through overhead cables to a substation and then to a school where it is used to electrolyse concentrated hydr...

2011 Summer

MCQ

CH1 - STATES OF MATTER

Which statement about the electrolysis of molten lead(II) bromide is correct?

2011 Summer