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

1

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

1

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

1

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

3

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

2

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

2

MCQ

CH1 - STATES OF MATTER

Which diagram shows the process of diffusion?

2012 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

Which method is most suitable to obtain zinc carbonate from a suspension of zinc carbonate in water?

2012 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 beake...

2012 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

An element Y has the proton number 18.The next element in the Periodic Table is an element Z.Which statement is correct?

2012 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

Which atom has twice as many neutrons as protons?

2012 Summer

1

MCQ

CH4 - ATOMS COMBINING

Which is a simple covalent molecule? [Table_1]

2012 Summer

2

MCQ

CH4 - ATOMS COMBINING

The electronic structures of atoms P and Q are shown.P and Q react to form an ionic compound. What is the formula of this compound?

2012 Summer

2

MCQ

CH4 - ATOMS COMBINING

The diagrams show the structures of two forms, P and Q, of a solid element. What are suitable uses of P and Q, based on their structures?

2012 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

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

2012 Summer

2

MCQ

CH1 - STATES OF MATTER

Winston Churchill, a British Prime Minister, had his false teeth electroplated with gold.The teeth were coated with a thin layer of carbon and were th...

2012 Summer

2