MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The carbon cycle includes the processes combustion, photosynthesis and respiration. Which row shows how each process changes the amount of carbon diox...

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which statement about the conditions used in the Haber process is not correct?

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The gases coming from a car’s engine contain oxides of nitrogen.How are these oxides formed?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Ammonia is manufactured by a reversible reaction.$$\text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g)$$The forward reaction is exotherm...

2016 Summer

1

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which statement about sulfuric acid is correct?

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Statements about methods of manufacture and uses of calcium oxide are shown.1. It is manufactured by reacting acids with calcium carbonate.2. It is ma...

2017 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

The Contact process is used for the manufacture of sulfuric acid. Which statement about this process is not correct?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Lime (calcium oxide) is used to treat waste water from a factory. Which substance is removed by the lime?

2016 Summer

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Calcium nitrate decomposes when it is heated.What is the equation for the thermal decomposition of calcium nitrate?

2017 Winter

2

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which metal is used as a catalyst in the Haber process for the manufacture of ammonia?

2017 Winter

2

MCQ

CH11 - ACIDS AND BASES

A student investigated the diffusion of ammonia gas, NH$_3$, and hydrogen chloride gas, HCl.Two sets of apparatus were set up as shown at room tempera...

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Chromatography is a technique used to separate coloured dyes.Which dye has an $R_f$ value of 0.7?

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Which piece of apparatus is used to measure exactly 26.3 cm³ of a liquid?

2018 Summer

1

MCQ

CH4 - ATOMS COMBINING

The ‘lead’ in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper...

2018 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Chlorine exists as two common isotopes, $^{35}Cl$ and $^{37}Cl$.Information about these two isotopes is shown.[Table_1]Which statement explains why th...

2018 Summer

3

MCQ

CH4 - ATOMS COMBINING

Which substance is not a macromolecule?

2018 Summer

2

MCQ

CH12 - THE PERIODIC TABLE

Copper is a metallic element. Which statements about copper are correct? 1. Copper is malleable because layers of ions are in fixed positions and ca...

2018 Summer

2

MCQ

CH6 - USING MOLES

The equation for the combustion of ethane is shown.$2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O$Which volume of carbon dioxide, at room temperature and p...

2018 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A solution of ethanoic acid, CH$_3$COOH, has a concentration of 2 mol/dm$^3$.Which statement about this solution is correct?

2018 Summer

2

MCQ

CH7 - REDOX REACTIONS

Aqueous copper(II) sulfate is electrolysed using copper electrodes. Which statement is correct?

2018 Summer

2