set 3 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) 11.11%
(b) 88.89%
(c) 44.45%
(d) 5.55%
The correct answers to the above question in:
Answer: (a)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 3) Online Quiz
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Bronze is an alloy of copper and
a) Nickel
b) Silver
c) Tin
d) Aluminium
Answer »Answer: (c)
Question : 2
The chemical formula of Heavy Water is
a) $H_2S$
b) $H_2CO_3$
c) $H_2O$
d) $D_2O$
Answer »Answer: (d)
Question : 3
Consider the following statements. Glass can be etched or scratched by
- Diamond
- Hydrofluoric Acid
- Aquarregia
- Conc. Sulphuric Acid
a) 2 and 4
b) 1 and 4
c) 2 and 3
d) 1 and 2
Answer »Answer: (d)
Question : 4
Check these statements.
- Brass is an alloy of Copper and Zinc.
- Magnetite is the main ore of Aluminium.
- Mercurius Solubilis are that substance which mainly involves mercury.
- Potassium Nitrate (KNO3 ) is a chemical used in photography.
a) 1, 3 and 4
b) 2 and 3
c) 1 and 2
d) 1 and 3
Answer »Answer: (d)
Question : 5
Which of the following is not in the form of crystal?
a) Graphite
b) Diamond
c) Quartz
d) Sulphur
Answer »Answer: (d)
Question : 6
Which gas is known as ‘noble gas’?
a) Oxygen
b) Helium
c) Hydrogen
d) Carbon dioxide
Answer »Answer: (b)
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