set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on metals, non metals, minerals, ores, properties, uses topic of general science mcq
(a) Limestone
(b) Bleaching powder
(c) Quick lime
(d) Plaster of Paris
The correct answers to the above question in:
Answer: (d)
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Read more chemistry gk Based General Science Questions and Answers
Question : 1
The best mealleable metal is –
a) gold
b) aluminium
c) silver
d) lead
Answer »Answer: (a)
Question : 2
Which are the most abundant elements in the universe ?
a) Hydrogen and Oxygen
b) Hydrogen and Helium
c) Oxygen and Nitrogen
d) Carbon and Nitrogen
Answer »Answer: (c)
Question : 3
What are Rubies and Sapphires chemically known as?
a) Aluminium Oxide
b) Lead Tetroxide
c) Silicon Dioxide
d) Boron Nitride
Answer »Answer: (a)
Question : 4
Sodium Vapour Lamp is usually used as street light, because
a) Light from this is monochromatic and will not split through water droplets
b) It is pleasing to the eyes
c) These are cheap
d) It is brightly illuminating
Answer »Answer: (a)
Question : 5
Match List-I with List-II:
List-I (Industrial Process) | List-II (Industry) |
A. Cracking | 1. Rubber |
B. Smelting | 2. Petroleum |
C. Hydrogenation | 3. Copper |
D. Vulcanization | 4. Edible Fats |
a) 2 3 4 1
b) 2 3 1 4
c) 3 2 1 4
d) 3 2 4 1
Answer »Answer: (a)
Question : 6
Which of the following reacts with cold water vigorously?
a) sodium
b) magnesium
c) carbon
d) sulphur
Answer »Answer: (a)
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