Jeffrey Piggott
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Quiz on 0654 IGCSE Coordinated Sciences Topic C14 Organic Chemistry.

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Jeffrey Piggott
Created by Jeffrey Piggott over 8 years ago
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0654 Topic C14 Organic Chemistry Quiz

Question 1 of 13 Question 1 of 13

1

Fill the blank space to complete the text.

Give the molecular formula of decane.

Explanation

Question 2 of 13 Question 2 of 13

1

Propene can be made by using heat to decompose large alkane molecules into smaller, more useful molecules.
This process is known as:

Select one of the following:

  • combustion

  • cracking

  • polymerisation

  • fractional distillation

Explanation

Question 3 of 13 Question 3 of 13

1

Molecules of propene can be combined to form a molecule of poly(propene).
Which of these shows part of the structure of a molecule of poly(propene)?
[5CH1H_01_que_20150514]

Select one of the following:

  • D

  • A

  • C

  • B

Explanation

Question 4 of 13 Question 4 of 13

1

In the following diagrams, X and Y are atoms of different elements.
Which diagram correctly shows the arrangement of outer electrons in a molecule of methane?
[0620_w15_qp_13 Q4]

Select one of the following:

  • C

  • D

  • B

  • A

Explanation

Question 5 of 13 Question 5 of 13

1

The diagram shows the flame produced from burning a hydrocarbon, acetylene, in a welding torch.
Which gas is X?
[0620_w15_qp_13 Q28]

Select one of the following:

  • oxygen

  • hydrogen

  • nitrogen

  • methane

Explanation

Question 6 of 13 Question 6 of 13

1

Carbon monoxide is an air pollutant produced when petrol is burned in a car engine.
Why is carbon monoxide considered to be an air pollutant?

Select one of the following:

  • It is a significant greenhouse gas.

  • It causes climate change.

  • It causes the corrosion of buildings.

  • It is poisonous.

Explanation

Question 7 of 13 Question 7 of 13

1

Unwanted vegetation is sometimes placed in a bin where it decays to form compost. This compost can be used to fertilise soils.
Which gas is likely to be present in a higher percentage inside the bin than in the air outside the bin?

Select one of the following:

  • oxygen

  • methane

  • carbon monoxide

  • sulfur dioxide

Explanation

Question 8 of 13 Question 8 of 13

1

What are the names of the compounds shown in the reaction scheme at the left?
[0620_w15_qp_13 Q35]

Select one of the following:

  • B

  • C

  • D

  • A

Explanation

Question 9 of 13 Question 9 of 13

1

Which row describes the formation of a polymer?
[0620_w15_qp_13 Q36]

Select one of the following:

  • B

  • D

  • A

  • C

Explanation

Question 10 of 13 Question 10 of 13

1

Which row shows the correct use of a fraction obtained by the fractional distillation of petroleum?
[0620_w15_qp_13 Q37]

Select one of the following:

  • C

  • D

  • B

  • A

Explanation

Question 11 of 13 Question 11 of 13

1

Ethanol can be formed by:
1 fermentation
2 reaction between steam and ethene

Which of these processes uses a catalyst?
[0620_w15_qp_13 Q38]

Select one of the following:

  • D

  • A

  • C

  • B

Explanation

Question 12 of 13 Question 12 of 13

1

The structures of four compounds are shown.
Which are members of the same homologous series?
[0620_w15_qp_13 Q39]

Select one of the following:

  • W, X, Y and Z

  • W and X only

  • W, Y and Z only

  • X and Z only

Explanation

Question 13 of 13 Question 13 of 13

1

During the process of cracking hydrocarbons, an is converted into an .
The presence of an ....... 3 ....... can be shown by a visible reaction with . .

Drag and drop to complete the text.

    alkane
    bromine
    alkene

Explanation

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