Lakshya Education MCQs

Question: Molecular weights of polymers are in the range of
Options:
A.10² - 10²
B.10⁵ - 10⁹
C.10² - 10⁷
D.10⁹ - 10¹¹
Answer: Option C

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More Questions on This Topic :

Question 1. Which of the following is not required in the manufacture of soda ash by Solvay process?
  1.    Ammonia
  2.    Limestone
  3.    Nitric acid
  4.    None of these
Answer: Option C
Question 2. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
  1.    NH?
  2.    NaCl
  3.    CaO
  4.    Coke
Answer: Option A
Question 3. Which of the following is the purest form of water out of the following ?
  1.    Underground water
  2.    Rain water
  3.    Well water
  4.    Lake water
Answer: Option B
Question 4. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
  1.    10
  2.    50
  3.    80
  4.    95
Answer: Option B
Question 5. Concentration of hydrogen peroxide is done by
  1.    Crystallisation
  2.    Vacuum crystallisation
  3.    Atmospheric distillation
  4.    Dehydration
Answer: Option B
Question 6. Thermal pyrolysis of ethylene dichloride produces
  1.    Trichloroethylene
  2.    Vinyl chloride
  3.    Ethanol amine
  4.    Ethylene oxide
Answer: Option B

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