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

MCQ

CH1 - STATES OF MATTER

The diagram shows a cup of tea. Which row describes the water particles in the air above the cup compared with the water particles in the cup? [Tabl...

2013 Summer

MCQ

CH11 - ACIDS AND BASES

Crystals of sodium chloride were prepared by the following method.1. 25.0 cm3 of dilute hydrochloric acid was accurately measured into a conical flask...

2013 Summer

MCQ

CH11 - ACIDS AND BASES

Lead iodide is insoluble in water. Lead iodide is made by adding aqueous lead nitrate to aqueous potassium iodide. Which pieces of apparatus are neede...

2013 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

Element X is represented by $^{27}_{13}\text{X}$.Which statement about element X is correct?

2013 Summer

MCQ

CH12 - THE PERIODIC TABLE

The positions of four elements are shown on the outline of the Periodic Table.Which element forms a coloured oxide?

2013 Summer

MCQ

CH4 - ATOMS COMBINING

For which substance is the type of bonding not correct? [Table_1]

2013 Summer

MCQ

CH4 - ATOMS COMBINING

Element X has six electrons in its outer shell. How could the element react?

2013 Summer

MCQ

CH1 - STATES OF MATTER

The diagram shows an incomplete circuit. Which substance causes the lamp to light when added to the glass tube?

2013 Summer

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A compound with the formula $XF_2$ has a relative formula mass of 78. What is element X?

2013 Summer

MCQ

CH13 - THE BEHAVIOR OF METALS

What is the balanced chemical equation for the reaction between calcium and water?

2013 Summer