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

MCQ

CH1 - STATES OF MATTER

In which changes do the particles move further apart? $$\text{W} \rightleftharpoons \text{Y} \text{ (gas)}$$ $$\text{X} \rightleftharpoons \text{Z} ...

2016 Summer

3

MCQ

CH2 - SEPARATING SUBSTANCES

A sample of a dye is investigated by chromatography. A line is drawn across a piece of chromatography paper and a spot of the dye is placed on it.The ...

2016 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

One of the instructions for an experiment reads as follows. Quickly add 50 $\text{cm}^3$ of acid. What is the best piece of apparatus to use?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

Diamond and graphite are macromolecules.Which statement about diamond and graphite is not correct?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1]Which two atoms combine to form a covalent compound?

2016 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

An aluminium atom has a nucleon number of 27 and a proton number of 13.How many neutrons does this aluminium atom contain?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

What happens when a bond is formed between a green gaseous element and a soft metallic element?

2016 Summer

2

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

2

MCQ

CH1 - STATES OF MATTER

The diagram shows an electrical cable.Which statement about the substances used is correct?

2016 Summer

2

MCQ

CH1 - STATES OF MATTER

When substance X is electrolysed, the amount of gases P and Q formed is shown. What is substance X?

2016 Summer

1