Green chemistry means such reaction which
Green chemistry means such reactions which Options (a) Are related to the depletion of ozone layer (b) Study the reactions…
7 years ago
Chemistry
At petrol pump, which rubber is used
At petrol pump, which rubber is used Options (a) Neoprene (b) Highly vulcanised rubber (c) Orlon (d) None of these…
7 years ago
PVC is polymer of
PVC is polymer of Options (a) CH₂ = CH–CH₂Cl (b) CH₃–CH=CH–Cl (c) CH₂=CH₂ (d) CH₂=CH–Cl Correct Answer: CH₂=CH–ClExplanation:No explanation available.…
7 years ago
Polyethylene is a resin obtained by polymerization of
Polyethylene is a resin obtained by polymerization of Options (a) styrene (b) isoprene (c) ethylene (d) butadiene Correct Answer: ethyleneExplanation:No…
7 years ago
Which of the following statements is false
Which of the following statements is false Options (a) Polythene is a polymer (b) Chlorophyll is a macromolecule (c) Chlorophyll…
7 years ago
which of the following is an example of thermosetting polymer
which of the following is an example of thermosetting polymer Options (a) Polythylene (b) Nylon-66 (c) Polystyrene (d) Bakelite Correct…
7 years ago
Which of the following is not polyamide
Which of the following is not polyamide Options (a) Glyptal (b) Nylon-66 (c) Nylon-6 (d) protein Correct Answer: GlyptalExplanation:No explanation…
7 years ago
Which of the following polymer is an example of fibre
Which of the following polymer is an example of fibre Options (a) Silk (b) Dacron (c) Nylon-66 (d) All of…
7 years ago
Which of the following statements is correct regarding the drawbacks of raw rub
Which of the following statements is correct regarding the drawbacks of raw rubber Options (a) It is plastic in nature…
7 years ago
Which of the following polymers is hard
Which of the following polymers is hard Options (a) Linear (b) Branched chain (c) Thermoplastic (d) Cross-linked Correct Answer: Cross-linkedExplanation:No…
7 years ago