Cracking and Alkenes

Cracking and Alkenes

7th Grade

10 Qs

quiz-placeholder

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Cracking and Alkenes

Cracking and Alkenes

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Medium

Created by

Louis Holmes

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is crude oil primarily composed of?

A single type of hydrocarbon

Water and hydrocarbons

A mixture of lots of different hydrocarbons

Minerals and gases

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process is used to separate different hydrocarbons in crude oil?

Condensation

Filtration

Evaporation

Fractional distillation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which hydrocarbons are the most flammable?

Medium-length hydrocarbons

Shortest hydrocarbons

All hydrocarbons equally

Longest hydrocarbons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called that breaks down longer hydrocarbons into shorter ones?

Condensation

Filtration

Evaporation

Cracking

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'thermal decomposition' mean?

Combining molecules by heating them

Combining molecules by cooling them

Breaking down molecules by heating them

Breaking down molecules by cooling them

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is used as a catalyst in catalytic cracking?

Hot water

Hot powdered aluminium oxide

Cold powdered aluminium oxide

Steam

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to long hydrocarbons during steam cracking?

They split apart into shorter hydrocarbons

They dissolve in steam

They combine into even longer hydrocarbons

They remain unchanged

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