MCQ

CH10 - THE SPEED OF A REACTION

The rates of some chemical reactions can be measured by using the apparatus shown. For which reaction is this apparatus suitable?

2012 Summer

3

MCQ

CH10 - THE SPEED OF A REACTION

The apparatus shown can be used to measure the rate of some chemical reactions. For which two reactions would the apparatus be suitable?reaction 1 $\...

2011 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student was investigating the reaction between marble chips and dilute hydrochloric acid. Which changes would reduce the rate of reaction?[Table_1]

2014 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student investigates the rate of reaction between magnesium and excess sulfuric acid. The volume of hydrogen given off in the reaction is measured o...

2011 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

The diagram shows an experiment to compare the rate of reaction when a metal is added to hydrochloric acid. In which test-tube is the reaction fastes...

2013 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student investigates the rate of reaction between marble chips and hydrochloric acid. The loss in mass of the reaction flask is measured. The graph ...

2010 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

In separate experiments, a catalyst is added to a reaction mixture and the temperature of the mixture is decreased.What are the effects of these chang...

2014 Summer

4

MCQ

CH10 - THE SPEED OF A REACTION

Which does not increase the speed of a reaction?

2009 Summer

2

MCQ

CH10 - THE SPEED OF A REACTION

A student investigates how the concentration of an acid affects the speed of reaction with a 0.5 g mass of magnesium at 30°C. The student has a beak...

2012 Summer

3

MCQ

CH10 - THE SPEED OF A REACTION

Calcium carbonate was reacted with hydrochloric acid in a conical flask. The flask was placed on a balance and the mass of the flask and contents was ...

2010 Winter

3

Theory

CH3 - ATOMS AND ELEMENTS

(a) The electronic structures of five atoms, A, B, C, D and E, are shown.Answer the following questions about these electronic structures.Each electro...

2022 Spring

2

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

(a) Biogas is a mixture of gases produced when agricultural waste is broken down in the absence of oxygen.The table compares the percentage by mass of...

2022 Spring

2

Theory

CH13 - THE BEHAVIOR OF METALS

This question is about metals.(a) State \textbf{three} general physical properties common to most metals.1 ..............................................

2022 Spring

2

Theory

CH11 - ACIDS AND BASES

This question is about acids, bases and salts.(a) Sodium hydroxide is a base.(i) Name the products formed when sodium hydroxide reacts with dilute nit...

2022 Spring

2

Theory

CH15 - AIR AND WATER

This question is about air.(a) The pie chart shows the proportions of the main gases in clean, dry air.(i) Name the gases G and H.gas G .................

2022 Spring

3

Theory

CH12 - THE PERIODIC TABLE

The table shows some properties of four Group I elements.[Table_1] element | melting point / $^{\circ}C$ | boiling point / $^{\circ}C$ | relative hard...

2022 Spring

4

Theory

CH17 - ORGANIC CHEMISTRY

(a) The structures of four organic compounds, P, Q, R and S, are shown.Answer the following questions about these structures.Each structure may be use...

2022 Spring

2

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about chlorine and compounds of chlorine.(a) Chlorine is an element in Group VII of the Periodic Table.State the meaning of the term ...

2022 Spring

2

MCQ

CH1 - STATES OF MATTER

Diagrams of the three states of matter for carbon dioxide are shown. Which two diagrams show the states of matter before and after the sublimation of...

2022 Summer

2

MCQ

CH1 - STATES OF MATTER

A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm$^3$ of dilute sulfuric acid. Which apparatus is essential to complete t...

2022 Summer

2