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.

1,461.

What is the product of the reaction between propene and 1 mole of hydrogen iodide?

A.

CH3CHICH3

B.

CH 3CH2CHI2

C.

CH 3CH 2CI3

D.

CH 3CHICH2I

Correct answer is A

No explanation has been provided for this answer.

1,462.

What is the molecular formula of a compound with empirical CH2O and vapour density of 90? [H = 1, C = 12, O = 16]

A.

C4H8O 2

B.

C4H 8O3

C.

C6H10C5

D.

C6H12O6

Correct answer is D

No explanation has been provided for this answer.

1,463.

When protein is heated to a high temperature it undergoes

A.

condensation

B.

denaturation

C.

hydrolysis

D.

polymerization

Correct answer is B

No explanation has been provided for this answer.

1,464.

The product of the reaction between C 2H5OH and concentrated H2SO 4 at 170oC is

A.

(C2H5)2SO4

B.

CH 3CH 2HSO 4

C.

(C2H5)2O

D.

CH2 = CH 2

Correct answer is D

No explanation has been provided for this answer.

1,465.

Which of the following raw materials is used in the plastic industry ?

A.

Calcium

B.

Ethene

C.

Hydrogen

D.

Methane

Correct answer is B

No explanation has been provided for this answer.