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

3

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

2

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

Theory

CH1 - STATES OF MATTER

The diagrams show the arrangement of particles in three different physical states of substance X.Which statement about the physical states of substanc...

2011 Summer

3

Theory

CH2 - SEPARATING SUBSTANCES

An aqueous solution is coloured. Which method of separation would show that the solution contains ions of different colours? A chromatography B crysta...

2011 Summer

1

Theory

CH2 - SEPARATING SUBSTANCES

The table gives the solubility of four substances in ethanol and in water.A mixture containing all four substances is added to ethanol, stirred and fi...

2011 Summer

1

Theory

CH4 - ATOMS COMBINING

Which two elements react together to form an ionic compound? [Table_1] A. W and X B. X and Y C. Y and Z D. Z and W

2011 Summer

1

Theory

CH3 - ATOMS AND ELEMENTS

The diagram shows part of the Periodic Table.Which element is correctly matched with its electronic structure?[Table_1: electronic structure]A: 2,8,1B...

2011 Summer

1

Theory

CH4 - ATOMS COMBINING

In the diagrams, circles of different sizes represent atoms of different elements.Which diagram represents hydrogen chloride gas?Options: A, B, C, D

2011 Summer

2

Theory

CH4 - ATOMS COMBINING

The nucleon number and proton number of the lithium atom are shown by the symbol $^7_3\text{Li}$.What is the correct symbol for the lithium ion in lit...

2011 Summer

1

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative molecular mass ($M_r$) of HNO$_3$? A 5 B 31 C 32 D 63

2011 Summer

2

Theory

CH14 - MAKING USE OF METALS

Electricity from a power station passes through overhead cables to a substation and then to a school where it is used to electrolyse concentrated hydr...

2011 Summer

2

Theory

CH1 - STATES OF MATTER

Which statement about the electrolysis of molten lead(II) bromide is correct? A A colourless gas is seen at the cathode. B A grey metal is seen at...

2011 Summer

2