MCQ

CH6 - USING MOLES

The diagram shows an experiment to find the formula of magnesium oxide.Which piece of apparatus would be needed in addition to those shown?

2013 Summer

MCQ

CH6 - USING MOLES

The equation shows the reaction between magnesium and sulfuric acid. [A_r: H, 1; O, 16; Mg, 24; S, 32] $$ \text{Mg} + \text{H}_2\text{SO}_4 \rightarr...

2016 Summer

MCQ

CH6 - USING MOLES

The equation shows the reaction between magnesium and sulfuric acid. [Ar: H, 1; O, 16; Mg, 24; S, 32]$$\text{Mg} + \text{H}_2\text{SO}_4 \rightarrow \...

2016 Summer

MCQ

CH6 - USING MOLES

The equation shows the reaction between magnesium and sulfuric acid. [A_r: H, 1; O, 16; Mg, 24; S, 32]$$\text{Mg} + \text{H}_2\text{SO}_4 \rightarrow ...

2016 Summer

MCQ

CH6 - USING MOLES

The equation for the reaction between magnesium and dilute sulfuric acid is shown.The $M_r$ of MgSO$_4$ is 120.$$\text{Mg} + \text{H}_2\text{SO}_4 \ri...

2018 Summer

Theory

CH6 - USING MOLES

(a) The properties of some Group VII elements are shown in the table.[Table_1]The table includes columns for 'element', 'melting point in °C', 'boili...

2018 Summer

Theory

CH6 - USING MOLES

(a) The table shows the concentrations of the ions present in the solution obtained from squid nerve cells and in human blood plasma.[Table_1]Answer t...

2018 Winter

MCQ

CH6 - USING MOLES

In separate experiments, electricity was passed through concentrated aqueous sodium chloride and molten lead(II) bromide.What would happen in both exp...

2021 Summer

MCQ

CH6 - USING MOLES

The equation for the decomposition of calcium carbonate is shown. $\text{CaCO}_3 \rightarrow \text{CaO} + \text{CO}_2$ What mass of calcium oxide is...

2021 Summer

Theory

Transition Elements

The diagram shows part of the Periodic Table.Answer the following questions using only the symbols of the elements in the diagram. Each symbol may be ...

2021 Spring

Theory

CH3 - ATOMS AND ELEMENTS

The table shows the mass of some of the ions in a 1000 cm$^3$ sample of sea water.[Table_1](a) Answer these questions using only the information in th...

2021 Spring

Theory

Transition Elements

The table shows some properties of four halogens.(a) (i) Complete the table by predicting:• the boiling point of chlorine• the density of fl...

2021 Spring

Theory

CH10 - THE SPEED OF A REACTION

A student investigates the reaction of magnesium powder with dilute hydrochloric acid. The magnesium is in excess.Mg + 2HCl → MgCl2 + H2The rate of ...

2021 Spring

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about sulfur and compounds of sulfur.(a) Sulfur is a non-metal. Describe three physical properties which are typical of non-metals.1 ...

2021 Spring

Theory

Plastics

The structure of compound A is shown. (a) (i) On the structure of compound A, draw a circle around the carboxylic acid functional group. [1] (ii) ...

2021 Spring

Theory

CH1 - STATES OF MATTER

Sodium is manufactured by electrolysis.(a) Explain why sodium is manufactured by electrolysis and \textbf{not} by reduction with carbon..................

2021 Spring

Theory

Chemical Properties of Acids and Bases

Aqueous ammonia is an alkali.(a) Complete the dot-and-cross diagram to show the electron arrangement in a molecule of ammonia.(b) Complete the word eq...

2021 Spring

MCQ

CH1 - STATES OF MATTER

Which row describes the arrangement and movement of particles in a liquid?[Table_1]

2021 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

A mixture is separated using the apparatus shown. What is the mixture?

2021 Summer