set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on fuel, food preservation, nutrition, medicine, detergents and fertilizers topic of general science mcq
(a) Chlorine
(b) Nitrogen
(c) Hydrogen
(d) Phosphorus
The correct answers to the above question in:
Answer: (c)
Practice fuel, food preservation, nutrition, medicine, detergents and fertilizers (set 2) Online Quiz
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Read more basic chemistry quiz Based General Science Questions and Answers
Question : 1
The main component of Liquid Petroleum Gas (LPG) are
a) Ethane, Propane and Butane
b) Methane, Ethane and Hexane
c) Methane, Pentane and Hexane
d) Methane, Carbon Monoxide and Hydrogen
Answer »Answer: (a)
Question : 2
Which one of the following forms an irreversible complex with a haemoglobin of the blood?
a) Pure Nitrogen gas
b) Carbon Monoxide
c) Carbon Dioxide
d) A mixture of Carbon Dioxide and Helium
Answer »Answer: (b)
Question : 3
Assertion (A):
Synthetic detergents can make more lather in hard water.
Reason (R):
Synthetic detergents form soluble calcium and magnesium salts with hard water.
Code
a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
b) (A) is true, but (R) is false
c) Both (A) and (R) are true and (R) is the correct explanation of (A)
d) (A) is false, but (R) is true
Answer »Answer: (c)
Question : 4
The main component of Gobar Gas is
a) Propane
b) Methane
c) Ethane
d) Chlorine
Answer »Answer: (b)
Question : 5
In what form cooking gas is supplied in cylinders?
a) Solid
b) Liquid
c) Gas
d) Solution
Answer »Answer: (b)
Question : 6
Refrigeration helps in food preservation by
a) Reducing the rate of biochemical reactions
b) Destroying enzyme action
c) Killing the germs
d) Sealing the food with a layer of ice
Answer »Answer: (a)
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