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Organic Chemistry

243 MCQ questions with answers and explanations · page 10 of 10

Q226. Lac is a_

  1. Anatural allotrope
  2. Bnatural polymers
  3. Csynthetic polymer
  4. Dnone of these
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Answer: B) natural polymers

Q227. 'Artificial silk' is also known as ______.

  1. ARayon
  2. BDeacon
  3. Cfibre glass
  4. DNylon
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Answer: B) Deacon

Q228. The first artificial fibre made by man was-

  1. ARayon
  2. BNylon
  3. Cpolyester
  4. DTerrycot
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Answer: B) Nylon

Q229. What is the polymer obtained by the condensation of hexamethylene diamine and adipic acid?

  1. ATollens
  2. BBakelite
  3. CNylon - 66
  4. DTerylene
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Answer: C) Nylon - 66

Q230. Nylon is a_

  1. Avinyl polymer
  2. BPodiamide
  3. Cpolyester
  4. Dpolysaccharides
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Answer: B) Podiamide

Q231. Who discovered the process of making it through vulcanization?

  1. AJohn Dunlop
  2. BCharles Goodyear
  3. CMacmillan
  4. DNewton
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Answer: B) Charles Goodyear

Q232. Which method is used for vulcanization of natural rubber?

  1. Aheating with sulfur
  2. BHeating with carbon black
  3. Cadding chlorine gas
  4. DAddition of diphenylamine
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Answer: A) heating with sulfur

Q233. Which of the following is a sweet smelling substance?

  1. Aammonia
  2. Bmethanol
  3. CEsters
  4. DEthanol
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Answer: C) Esters

Q234. Which of the following has a very fast fruit ripening rate?

  1. Amethanol
  2. BEthyl Acetate
  3. Cmethyl chloride
  4. DMayanoic end
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Answer: B) Ethyl Acetate

Q235. Carbohydrates are its compounds_

  1. Acarbon and hydrogen
  2. Bcarbon, oxygen and hydrogen
  3. Ccarbon, nitrogen and hydrogen
  4. Dcarbon and nitrogen
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Answer: B) carbon, oxygen and hydrogen

Q236. Which one of the following is not an explosive?

  1. Anitrochloroform
  2. BT.N.G.
  3. CT.N.T.
  4. Dpotassium chlorate
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Answer: A) nitrochloroform

Q237. Which of the following explosives is named 'Nobel Oil'?

  1. AT.N.G.
  2. BT.N.P.
  3. CT.N.A.
  4. DT.N.T.
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Answer: A) T.N.G.

Q238. The medicinal importance of Tulsi plant is due to the presence of the following:

  1. Ainorganic acid
  2. Borganic acids
  3. CPhenols and Flavonoids
  4. DNone of these
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Answer: C) Phenols and Flavonoids

Q239. Which of the following is not a natural polymer?

  1. AWool
  2. Bleather
  3. CNylon
  4. Dsilk
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Answer: C) Nylon

Q240. Which of the following medicines is used to treat indigestion?

  1. Aantibiotics
  2. Banalgesic
  3. Cacid
  4. Dresistant
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Answer: C) acid

Q241. The compound used as an analgesic in medicine is ____

  1. AUrotropin
  2. Bchloroform
  3. Caspirin
  4. Dethyl alcohol
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Answer: C) aspirin

Q242. Which of the following polymers cannot be biodegraded?

  1. ACellulose
  2. Bstarch
  3. CProtein
  4. DPVC
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Answer: D) PVC

Q243. Which of the following is a by-product of soap?

  1. AIsoprene
  2. Bethylene glycol
  3. Cbutane
  4. DGlycerin
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Answer: D) Glycerin

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