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MCQs

Total Questions : 3103 | Page 311 of 311 pages
Question 3101. Pick out the correct statement ?
  1.    A fat is converted into oil by its hydrogenation
  2.    There is no difference between a fat and an oil so far as its physical properties are concerned
  3.    All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
  4.    Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content
 Discuss Question
Answer: Option C. -> All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3102. Pick out the wrong statement ?
  1.    DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction
  2.    Chloral is obtained by the chlorination of ethyl alcohol
  3.    Insecticides acting on the insects through the respiratory system are called fumigants
  4.    Benzene hexachloride is not a contact insecticide
 Discuss Question
Answer: Option D. -> Benzene hexachloride is not a contact insecticide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3103. Pick out the wrong statement ?
  1.    High early strength cement are made from materials having high silica to lime ratio
  2.    The function of gypsum in cement is to enhance its initial setting rate
  3.    Acid resistant cements are known as silicate cement
  4.    Major component of greyish Portland cement is tricalcium silicate
 Discuss Question
Answer: Option A. -> High early strength cement are made from materials having high silica to lime ratio
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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