MCQOPTIONS
Bookmark
Saved Bookmarks
→
General Knowledge
→
Indian Politics in General Knowledge
→
Which metal pollute the air of a big city?
..
1.
Which metal pollute the air of a big city?
A.
Copper
B.
Chromium
C.
Lead
D.
Cadmium
Answer» D. Cadmium
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
<p>Amalgams are</p>
<p>Bromine is a</p>
<p>The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is</p>
<p>The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of</p>
<p>The element common to all acids is</p>
<p>Tetraethyl lead is used as</p>
<p>The hardest substance available on earth is</p>
<p>Which of the following is used as a lubricant?</p>
<p>The property of a substance to absorb moisture from the air on exposure is called</p>
<p>In which of the following activities silicon carbide is used?</p>
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply