Crude oil

Crude oil

8th - 9th Grade

20 Qs

quiz-placeholder

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Crude oil

Crude oil

Assessment

Quiz

Chemistry

8th - 9th Grade

Practice Problem

Medium

NGSS
HS-ESS3-1, HS-ESS2-6, HS-ESS3-2

Standards-aligned

Created by

c tierney

Used 22+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What term is given to a compound which contains atoms of carbon and hydrogen only?

alkene

hydrocarbon

alkane

saturated

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Alkanes have the general formula:

CnH2n

CnH2n+1

CnH2n+2

CnHn

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What term describes alkane molecules that contain C-C single bonds?

saturated

unsaturated

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

distillation

fractional distillation

cracking

polymerisation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

At the top

At the bottom

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

melting point

boiling point

freezing point

chemical reactivity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molecules collected at the bottom of the fractionating column tend to be...

more viscous, less flammable and less volatile

less viscous, more flammable and more volatile

more viscous, more flammable and less volatile

less viscous, less flammable and more volatile

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