Chemistry questions and answers

Chemistry Questions and Answers

Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.

886.

Alkanols have the general molecular formula

A.

CnH2n-2

B.

CnH2n+1CHO

C.

CnH2n-2OH

D.

CnH2n+1OH

Correct answer is D

No explanation has been provided for this answer.

887.

The products formed when primary Alkanols are oxidized using acidified potassium tetraoxomanganate (VII) are what?

A.

CH3CH2CHO and H2O

B.

CH3CHO and CO2

C.

CH3CH2COOH and H2

D.

CH3COOH and CO2

Correct answer is A

No explanation has been provided for this answer.

888.

Which of the following compounds is used as a gaseous fuel?

A.

CH3 -CH2 -CHO2 -COOH

B.

CH3 -C = CH

C.

CH3 -CH2 -CH2 -CH3

D.

CH2 -CH2 -CH3

Correct answer is C

No explanation has been provided for this answer.

889.

Cast iron is used in making

A.

Chains and agricultural implements

B.

Iron sheets and retort stand

C.

Nails and iron rods

D.

Stoves and cookers

Correct answer is D

No explanation has been provided for this answer.

890.

Which of the following properties is not peculiar to matter?

A.

Kinetic energy of particles increases from solid to gas

B.

Random motion of particles increases from gas to solid

C.

Orderliness of particles increases from gas to liquid

D.

Random motion of particles increases from liquid to gas

Correct answer is B

No explanation has been provided for this answer.