GCSE Chemistry - Fuels and Earth Science- 1 -Exam Style Questions with Answers

Created on February 08, 2023 By

paruppts12

GCSE_EDE_CHE_8_FUEL_1

1 / 11

Which statement about the members of the alkane homologous series is correct?

they show a trend in chemical properties

their boiling point decreases as the molecules get larger

their viscosity increases as the molecules get larger

2 / 11

A

D

B

C

3 / 11

X= 6; Y= 14

X= 10; Y= 12

X= 2; Y= 4

X= 14; Y= 18

4 / 11

Figure 8 shows one molecule of each of four different substances, A, B, C and D.

Consider substances A, B, and D.
Give the letters of the two substances that can be formed by burning an element in
oxygen

B and C

B and D

A and C

C and D

5 / 11

X = 4

X = 2

X = 6

X = 14

6 / 11

Figure 8 shows one molecule of a compound obtained from crude oil
What is the molecule in Figure 8?

a ring molecule

a chain molecule

an oxide

a fullerene

7 / 11

Crude oil is found in the Earth's crust.
Which of the statements about crude oil is correct?

all of the molecules in crude oil contain rings of carbon atoms

crude oil is a mixture of the elements hydrogen and carbon

crude oil is used in cars as a fuel

crude oil is a finite resource

8 / 11

Crude oil is found in the Earth's crust.
When crude oil is separated into fractions, the amount of each fraction obtained rarely
matches the demand for that fraction.
Figure 7 shows the relative amounts of four of the fractions obtained from a crude oil and the
relative demand for each of these fractions.
State the fraction for which the relative amount obtained exceeds the relative demand.

Kerosene

Petrol

Gases

Fuel oil

9 / 11

75g

25g

10g

50g

10 / 11

D

A

C

B

11 / 11

The incomplete combustion of methane can produce carbon and carbon monoxide.
Give the reason why carbon and carbon monoxide are produced in the incomplete
combustion of methane

Limited supply of oxygen

Air

Excess oxygen supply

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