Which of the following gases is monoatomic?
Argon
Chlorine
Nitrogen
Oxygen
Correct answer is A
No explanation has been provided for this answer.
Which of the following polymers in thermosetting?
Bakelite
Nylon
Polypropene
Polystyrene
Correct answer is A
No explanation has been provided for this answer.
Which of the following products of biotechnology can be used as a fuel in place of petrol?
Butane
Ethanol
Ethene
Propanol
Correct answer is B
Ethanol can be used as a fuel in place of petrol. it is commonly produced through biotechnology processes such as the fermentation of sugars from crops like corn or sugarcane. Ethanol is used as a biofuel and can be blended with gasoline to create ethanol-gasoline blends.
A substance responsible for the sour taste of unripe orange is
Alkene
Alkanol
Alkanoic acid
Alkanoate
Correct answer is C
No explanation has been provided for this answer.
Which of the following process does not take place in domestic water treatment?
Chlorination
Flocculation
Neutralization
Sedimentation
Correct answer is C
No explanation has been provided for this answer.