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Worksheets

Nature's Chemistry

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

An alkane has the general formula

a)

CnH2n+2

b)

CnH2n+1

c)

CnH2n

d)

CnH2n-2

2.

An alkene has the general formula

a)

CnH2n+2

b)

CnH2n+1

c)

CnH2n

d)

CnH2n-2

3.

Name this compound

a)

butane

b)

butene

c)

cyclobutane

d)

cyclobutene

4.

What is an isomer?

a)

compounds with the same formula and structure

b)

compounds with the same formula but a different structure

c)

hydrocarbons with similar chemical properties

d)

hydrocarbons that are used as fuels

5.

Homologous series are

a)

a family of compounds with the same general formula and similar chemical properties

b)

a family of alkanes

c)

hydrocarbons without any other elements

d)

elements with no electrons

6.

The products of complete combustion are

a)

oxygen and glucose

b)

carbon dioxide and oxygen

c)

water and carbon dioxide

d)

carbon monoxide and water

7.

What is the functional group of alcohols?

a)

alcohol

b)

hydroxyl

c)

hydroxide

d)

acid

8.

Name this compound

a)

2 methyl pentane

b)

hexane

c)

3 methyl pentane

d)

2,2 dimethyl butane

9.

Name this compound

a)

Butan-2-ol

b)

Butan-1-ol

c)

Butane

d)

But-2-ene

10.

What elements are in a hydrocarbon?

a)

hydrogens, carbons and oxygens

b)

hydrogen and carbons only

c)

hydrogens and carbons and other elements

d)

carbons and heliums

11.

What is the equation for calculating energy in combustion?

a)

E = cm2

b)

E = C x M x change in temperature

c)

E = C / M

d)

E = C x M / change in temperature

12.

What is the general formula for an alcohol?

a)

CnH2n+1OH

b)

CnH2nOH

c)

CnH2n-1OH

d)

CnH2n+1OOH

13.

What is a fuel?

a)

something that can burn to release energy

b)

oxygen

c)

Something that insulates your home

d)

biodegradable plastics