general science general questions

51.

Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
A.     Television
B.     Refrigerator
C.     Tube light
D.     Cooking gas
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
52.

Balloons are filled with
A.     nitrogen    B.     helium
C.     oxygen    D.     argon
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
53.

Which of the following does not contain a coinage metal?
A.     Silver and Gold
B.     Zinc and Gold
C.     Copper and Silver
D.     Copper and Gold
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
54.

Which metal pollute the air of a big city?
A.     Copper    B.     Chromium
C.     Lead    D.     Cadmium
Answer & Explanation

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
55.

Bell metal is an alloy of
A.     nickel and copper
B.     zinc and copper
C.     brass and nickel
D.     tin and copper
Answer & Explanation

Answer: Option D

Explanation:

No answer description available for this question.

Leave a Reply0

Your email address will not be published.