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
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
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
Gasohol is
a) Any gas dissolved in alcohol
b) Ethyl alcohol + Petrol
c) Natural gas + Ethyl alcohol
d) Ethyl alcohol + Kerosene oil
Answer »Answer: (b)
Question : 2
The stench due to leakage from LPG cylinder is because of
a) Butane
b) Methane
c) Propane
d) Ethyl mercaptan
Answer »Answer: (d)
Question : 3
Charcoal which is used in decolouring raw sugar is
a) Sugar charcoal
b) Animal charcoal
c) Wood charcoal
d) Coconut charcoal
Answer »Answer: (b)
Question : 4
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 : 5
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 : 6
The element not present in fertilizers is
a) Chlorine
b) Nitrogen
c) Hydrogen
d) Phosphorus
Answer »Answer: (c)
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