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Worksheets

Pre Assessment

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

Identify whether the following items are alkane, alkenes, or alkynes.


The suffix of the compound ends in -ene.

(a)  

2.

Identify whether the following items are alkane, alkenes, or alkynes.


The suffix of the compound ends in -ane.

(a)  

3.

Identify whether the following items are alkane, alkenes, or alkynes


Unsaturated hydrocarbons that contains one or more triple covalent bonds between carbon atoms in a chain.

(a)  

4.

Identify whether the following items are alkane, alkenes, or alkynes.

It has a general formula of CnH2n-2

(a)  

5.

: Identify whether the following items are alkane, alkenes, or alkynes.


Propane belongs to this group.

(a)  

6.

Identify whether the following items are alkane, alkenes, or alkynes.


Hydrocarbons that have only one single bonds between atoms.

(a)  

7.

Identify whether the following items are alkane, alkenes, or alkynes.


Unsaturated hydrocarbons that contain one or more double covalent bonds between carbon atoms in a chain.

(a)  

8.

Identify whether the following items are alkane, alkenes, or alkynes.


The suffix of the hydrocarbon ends in -yne.

(a)  

9.

Identify whether the following items are alkane, alkenes, or alkynes.


It has a general formula of CnH2n

(a)  

10.

Identify whether the following items are alkane, alkenes, or alkynes.


It has a general formula of CnH2n+2

(a)  

11.

What happens to the boiling point of hydrocarbons compounds when the number of carbon atoms increase?

a)

increases

b)

remains the same

c)

decreases

d)

increases then decreases

12.

What compound aids in the ripening of fruits?

a)

butene

b)

pentyne

c)

octane

d)

ethene

13.

Methane, an alkane is a natural gas. What is the use of methane gas?

a)

disinfectant

b)

medicine

c)

fuel

d)

cleaning agent

14.

Which compound can be used as a preservative?

a)

acetic acid

b)

methyl alcohol

c)

acetone

d)

formalin

15.

Which are TRUE about organic compounds?

I. Organic compounds contain calcium.

II. Organic compounds contain carbon.

III. Organic compounds can be produced by living organisms.

IV. Organic compounds can be produced artificially

a)

II and III only

b)

. I and II only

c)

II and III only

d)

II, III, and IV only