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) Gold > Mercury > Steel
(b) Steel > Gold > Mercury
(c) Steel > Mercury > Gold
(d) Gold > Steel > Mercury
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
Which of the following reacts with cold water vigorously?
a) sodium
b) magnesium
c) carbon
d) sulphur
Answer »Answer: (a)
Question : 2
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 : 3
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 : 4
Which is the hardest in the following?
a) Glass
b) Quartz
c) Diamond
d) Platinum
Answer »Answer: (c)
Question : 5
The heaviest natural element is
a) Mercury
b) Gold
c) Uranium
d) Calcium
Answer »Answer: (c)
Question : 6
Metals like Gold, Platinum which do not easily react are called
a) noble metals
b) active metals
c) dull metals
d) bright metals
Answer »Answer: (a)
Noble metals are those metals which do not react easily and lie at the bottom of the activity series.
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