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.

2,181.

The major product of the dehydration of the compound above is?

A.

A

B.

B

C.

C

D.

D

Correct answer is A

the production of dehydration of the compound above is 

2,184.

The diagram above represents the formation of

A.

a metallic bond

B.

an electrovalent bond

C.

a covalent bond

D.

a coordinate covalent bond

Correct answer is C

Covalent bonds involve the sharing of electrons between two atoms

2,185.

Use the graph above to answer this question.How long does it take all the solid to melt?

A.

2.5 mins

B.

6.0 mins

C.

1.0 min

D.

3.0 mins

Correct answer is A

No explanation has been provided for this answer.