set 2 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) Alanine
(b) Serine
(c) Glycine
(d) All of these
The correct answers to the above question in:
Answer: (c)
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Question : 2
The important metal used with iron produce stainless steel is
a) Carbon
b) Tin
c) Aluminium
d) Chromium
Answer »Answer: (d)
Question : 3
Alloy of which metal is used to make aeroplane and parts of the compartment of the train?
a) None of these
b) Aluminium
c) Copper
d) Iron
Answer »Answer: (b)
Question : 4
In order to compensate the deficiency of which of the following elements, the insectivorous plants trap and eat insects?
a) Nitrogen
b) Magnesium
c) Manganese
d) Sulphur
Answer »Answer: (a)
Question : 5
Which is used as Laughing gas?
a) Nitrogen dioxide
b) Nitrogen trioxide
c) Nitrous oxide
d) Nitrogen tetra oxide
Answer »Answer: (c)
Question : 6
Helium is preferred to Hydrogen in air balloons because it
a) Is less dense
b) Has greater lifting power
c) Is cheaper
d) Does not form an explosive mixture with air
Answer »Answer: (d)
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