MCQ

CH10 - THE SPEED OF A REACTION

A liquid X reacts with solid Y to form a gas.Which two diagrams show suitable methods for investigating the rate (speed) of the reaction?

2016 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student was investigating the reaction between marble chips and dilute hydrochloric acid. [Image_1: Apparatus setup with a gas syringe, bung, marble...

2017 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

Which row describes how the energy of collision between particles changes when concentration and temperature are increased?[Table_1]

2016 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

Methanol is made by reacting carbon monoxide with hydrogen. The reaction is exothermic and is a chemical equilibrium. The equation for the reaction is...

2016 Summer

1

MCQ

CH10 - THE SPEED OF A REACTION

The mass of a beaker and its contents is plotted against time. Which graph represents what happens when sodium carbonate reacts with an excess of dil...

2017 Winter

2

MCQ

CH10 - THE SPEED OF A REACTION

Zinc granules are reacted with excess dilute hydrochloric acid. The volume of hydrogen given off is measured at different times. The results are shown...

2016 Winter

1

MCQ

CH10 - THE SPEED OF A REACTION

In an experiment nitric acid is added to excess marble chips and the volume of carbon dioxide formed is measured.The experiment is repeated using smal...

2016 Winter

1

MCQ

CH10 - THE SPEED OF A REACTION

Copper(II) sulfate can be prepared by adding excess copper(II) carbonate to sulfuric acid. Why is an excess of copper(II) carbonate added?

2017 Winter

2

MCQ

CH10 - THE SPEED OF A REACTION

A liquid X reacts with solid Y to form a gas.Which two diagrams show suitable methods for investigating the rate (speed) of the reaction?

2016 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student was investigating the reaction between marble chips and dilute hydrochloric acid. Which changes slow down the rate of reaction?

2017 Summer

2

MCQ

CH1 - STATES OF MATTER

Small crystals of purple $\text{KMnO}_4$ $(M_r = 158)$ and orange $\text{K}_2\text{Cr}_2\text{O}_7$ $(M_r = 294)$ were placed at the centres of separa...

2017 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Pure water has a boiling point of 100 °C and a freezing point of 0 °C. What is the boiling point and freezing point of a sample of aqueous sodium c...

2017 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A chromatogram obtained from the chromatography of four substances is shown. Which substance has an $R_f$ value of 0.6?

2017 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Sodium reacts with chlorine to form sodium chloride.Which statements describe what happens to the sodium atoms in this reaction?1. Sodium atoms form p...

2017 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

Diamond is extremely hard and does not conduct electricity.Which statement explains these properties?

2017 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which statement about metals is not correct?

2017 Summer

1

MCQ

CH4 - ATOMS COMBINING

Aluminium reacts with fluorine.$xAl(s) + yF_2(g) \rightarrow zAlF_3(s)$Which values of $x$, $y$ and $z$ balance the equation?[Table_1]

2017 Summer

2

MCQ

CH4 - ATOMS COMBINING

Carbon monoxide burns in oxygen to produce carbon dioxide. $$2\text{CO}(g) + \text{O}_2(g) \rightarrow 2\text{CO}_2(g)$$ Which mass of carbon dioxide...

2017 Summer

1

MCQ

CH1 - STATES OF MATTER

Which statement about electrolysis is correct?

2017 Summer

1

MCQ

CH1 - STATES OF MATTER

The reactivity series for a number of different metals is shown.[Image_1: Reactivity series and diagram]The diagram shows different metal strips dippe...

2017 Summer

2