MCQ

CH15 - AIR AND WATER

The diagram shows some uses of water in the home. For which uses is it important for the water to have been treated?

2017 Summer

3

MCQ

CH15 - AIR AND WATER

The diagram shows an experiment to investigate how paint affects the rusting of iron. What happens to the water level in tubes P and Q?

2016 Summer

2

MCQ

CH15 - AIR AND WATER

A new planet has been discovered and its atmosphere has been analysed. The table shows the composition of its atmosphere. [Table_1] Which gases a...

2016 Summer

3

MCQ

CH15 - AIR AND WATER

Which chemical reaction decreases pollution in the air?

2017 Summer

2

MCQ

CH15 - AIR AND WATER

Air is a mixture of gases.Which gas is present in the largest amount?

2016 Winter

3

MCQ

CH15 - AIR AND WATER

Which information about carbon dioxide and methane is correct? [Table_1]

2016 Winter

3

MCQ

CH15 - AIR AND WATER

Boats made from steel can be protected from rusting by attaching blocks of a more reactive metal to the hull of the boat. Which statement is correct?

2016 Winter

1

MCQ

CH15 - AIR AND WATER

Which process removes carbon dioxide from the atmosphere?

2017 Winter

2

MCQ

CH15 - AIR AND WATER

The diagram shows some uses of water in the home. For which uses is it important for the water to have been treated?

2017 Summer

2

MCQ

CH15 - AIR AND WATER

The diagram shows an experiment to investigate how paint affects the rusting of iron. What happens to the water level in tubes P and Q?

2016 Summer

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