set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases topic of general science mcq
(a) Silicon oil
(b) Bauxite
(c) Phosphorus
(d) Graphite
The correct answers to the above question in:
Answer: (d)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 1) Online Quiz
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Question : 1
Consider these statements and choose the right answer from counterfeit.
Statement (A):
Normally it has been seen that iron goods covered with a brown powder called rust when they are unsheltered in the atmosphere.
Statement (R):
Rust or the brown powder is the result of deposition Tannin.
Code
a) (A) is false, but (R) is trues
b) (A) is true, but (R) is false
c) Both (A) and (R) are true and (R) is the correct explanation of (A)
d) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
Answer »Answer: (b)
Question : 2
The important metal used with iron to make it rust free
a) Tin
b) Chromium
c) Aluminium
d) Carbon
Answer »Answer: (b)
Question : 3
Which one of the following metals does not form amalgam?
a) Iron
b) Magnesium
c) Zinc
d) Copper
Answer »Answer: (a)
Question : 4
Percentage amount (by volume) of which one of the following gas is lowest in the atmosphere?
a) Carbon dioxide
b) Nitrogen
c) Argon
d) Oxygen
Answer »Answer: (a)
Question : 5
Chemically Dry Ice is
a) Solid carbon dioxide
b) Solid sulphur
c) Ice made from distilled water
d) Mixture of ice and common salt
Answer »Answer: (a)
Question : 6
Buckminster Fullerene is
a) None of the above
b) A form of carbon compound of clusters of 60 carbon atoms bond together in polyhedral structure composed of pentagons or hexagons
c) A polymer of fluorine
d) An isotope of carbon heavier than C14
Answer »Answer: (b)
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