61.
Which of the following metals remain in liquid for under normal conditions?
A. Radium B. Zinc
C. Uranium D. Mercury
Answer & Explanation
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
62.
Potassium Permanganate is used for purifying drinking water, because
A. it is a sterilising agent
B. it dissolves the impurities of water
C. it is a reducing agent
D. it is an oxidising agent
Answer & Explanation
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
63.
Which of the following is an element?
A. Ruby B. Sapphire
C. Emerald D. Diamond
Answer & Explanation
Answer: Option D
Explanation:
No answer description available for this question.