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) sodium
(b) magnesium
(c) carbon
(d) sulphur
The correct answers to the above question in:
Answer: (a)
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Read more chemistry gk Based General Science Questions and Answers
Question : 1
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 : 2
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 : 3
Doctors, Artists and Sculptors use Calcium Sulphate which is popularly known as
a) Limestone
b) Bleaching powder
c) Quick lime
d) Plaster of Paris
Answer »Answer: (d)
Question : 4
Which one of the following is the correct sequence of the given substances in the decreasing order of their densities?
a) Gold > Mercury > Steel
b) Steel > Gold > Mercury
c) Steel > Mercury > Gold
d) Gold > Steel > Mercury
Answer »Answer: (a)
Question : 5
Which is the hardest in the following?
a) Glass
b) Quartz
c) Diamond
d) Platinum
Answer »Answer: (c)
Question : 6
The heaviest natural element is
a) Mercury
b) Gold
c) Uranium
d) Calcium
Answer »Answer: (c)
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