Chemistry

Question 1

1The fraction of crude oil with the lowest boiling point is

Easy

A. bitumen B. kerosene C. diesel D. refinery gas

Question 2

2The catalyst used for hydrogenating alkenes is ___.

Easy

Your answer (fill in the blank)

Question 3

3Ethyne contains a triple bond.

Easy

A. True B. False

Question 4

4Ethyne is prepared in the laboratory by adding water to

Medium

A. calcium carbonate B. calcium carbide C. sodium D. ethanol

Question 5

5The type of reaction between methane and chlorine in sunlight is ___.

Easy

Your answer (fill in the blank)

Question 6

6Cracking produces alkenes.

Easy

A. True B. False

Question 7

7Cracking is the process of

Easy

A. joining small molecules B. burning hydrocarbons C. breaking large hydrocarbon molecules into smaller ones D. dissolving hydrocarbons

Question 8

8Hydrogenation of vegetable oils produces margarine.

Medium

A. True B. False

Question 9

9Ethene reacts with hydrogen in the presence of nickel to form

Easy

A. ethyne B. ethane C. ethanol D. polyethene

Question 10

10Methane decolourises bromine water quickly in the dark.

Easy

A. True B. False