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WorksheetsIGCSE Coordinated Chemistry Workout 4
Total questions: 10
Worksheet time: 10mins
Which row in the table shows the relative charge of an electron and of a neutron?
A
B
C
D
An element is in Group VI of the Periodic Table. What information does this give about the element?
the number of protons in the nucleus
the number of outer electrons
the reactivity of the element
the relative atomic mass of the element
Which process would show that crude oil is a mixture?
Combustion
Cracking
Fractional distillation
Neutralisation
Crude oil, salt and wood are important raw materials used in industry. Which of these raw materials is used to make alkali, paper and plastics?
A
B
C
D
Which diagrams show a giant molecular structure?
1 only
2 only
3 only
1, 2 and 3
The diagram shows apparatus used for electrolysis. Which row shows the correct labelling for the apparatus? Answers appear in the order X, Y, Z.
anode, cathode, electrolyte
electrolyte, cathode, anode
cathode, anode, electrolyte
electrolyte, anode, cathode
The diagram shows acid being added to an alkali until it is neutralised. What happens in the flask?
temperature decreases and the type of reaction is endothermic
temperature decreases and the type of reaction is exothermic
temperature increases and the type of reaction is endothermic
temperature increases and the type of reaction is exothermic
The diagram shows how limestone can be converted into useful products for industry. What are process P and product Q? Answers appear in the order P; Q.
combustion; an acid
combustion; an alkali
decomposition; an acid
decomposition; an alkali
A small amount of ammonia is present in a sample of hydrogen. What would be the results of tests on the mixture?
A
B
C
D
Substance R has a high melting point and reacts with an acid to produce hydrogen. What does this show about substance R?
A
B
C
D
