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

CH1 - STATES OF MATTER

Which statement explains why ammonia gas, $\text{NH}_3$, diffuses at a faster rate than hydrogen chloride gas, $\text{HCl}$?

2019 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

2.00 g of powdered calcium carbonate is added to 50.0 cm$^3$ of hydrochloric acid. Which apparatus is used to measure the calcium carbonate and the h...

2019 Summer

3

MCQ

CH2 - SEPARATING SUBSTANCES

The measurements from a chromatography experiment using substance F are shown. The diagram is not drawn to scale.What is the $R_f$ value of F?

2019 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statement about an atom of fluorine, $^{19}_{9}\text{F}$, is correct?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which row describes the formation of single covalent bonds in methane?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which statement describes the structure of an ionic compound?

2019 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Propane burns in oxygen. $\text{C}_3\text{H}_8 + x\text{O}_2 \rightarrow 3\text{CO}_2 + y\text{H}_2\text{O}$Which values of $x$ and $y$ balance the eq...

2019 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A tablet contains 0.080g of ascorbic acid ($M_r = 176$).What is the concentration of ascorbic acid when one tablet is dissolved in 200 cm$^3$ of water...

2019 Summer

2

MCQ

CH1 - STATES OF MATTER

Which statement about the electrolysis of copper(II) sulfate solution using carbon electrodes is correct?

2019 Summer

2

MCQ

CH1 - STATES OF MATTER

Aluminium metal is extracted from aluminium oxide by electrolysis. Which ionic half-equation describes a reaction that occurs at the named electrode?...

2019 Summer

3