GROWTH AND NUTRITION OF BACTERIA QUESTIONS

11.

Bromine is a
A.     black solid
B.     red liquid
C.     colourless gas
D.     highly inflammable gas
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
12.

The hardest substance available on earth is
A.     Gold    B.     Iron
C.     Diamond    D.     Platinum
Answer & Explanation

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
13.

The variety of coal in which the deposit contains recognisable traces of the original plant material is
A.     bitumen    B.     anthracite
C.     lignite    D.     peat
Answer & Explanation

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
14.

Tetraethyl lead is used as
A.     pain killer
B.     fire extinguisher
C.     mosquito repellent
D.     petrol additive
Answer & Explanation

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
15.

Which of the following is used as a lubricant?
A.     Graphite
B.     Silica
C.     Iron Oxide
D.     Diamond
Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question.

Leave a Reply0

Your email address will not be published.