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
- Water becomes harder due to the presence of Calcium Sulphate and it is not usable.
- Diamond is harder than copper and iron.
- Oxygen is the main component of air.
- Nitrogen is used in the manufacture of vegetable ghee.
(a) 2 and 4
(b) 1 and 2
(c) 3 and 4
(d) 1 and 3
The correct answers to the above question in:
Answer: (b)
Practice alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases (set 1) Online Quiz
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Read more chemistry gk quiz Based General Science Questions and Answers
Question : 1
Large quantities of drinking water is prepared from impure water by
a) Decantation
b) Ion-exchange
c) Desalination
d) Distillation
Answer »Answer: (c)
Question : 2
Water is a good solvent of ionic salts because
a) It has no colour
b) It has a high specific heat
c) It has a high boiling point
d) It has a high dipole moment
Answer »Answer: (d)
Question : 3
By which process, Alum cleans the muddy water?
a) Dialysis
b) Coagulation
c) Absorption
d) Adsorption
Answer »Answer: (b)
Question : 4
Which gas is not in the gaseous cycle?
a) $O_2$
b) Carbon
c) $N_2$
d) $H_2$
Answer »Answer: (d)
Question : 5
Which metal exists as a common component in Brass, Bronze and German Silver?
a) Zinc
b) Tin
c) Antimony
d) Copper
Answer »Answer: (d)
Question : 6
What is the shape of sulphur hexafluoride molecule?
a) Octahedral
b) Planar
c) Trigonal pyramid
d) Tetrahedral
Answer »Answer: (a)
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