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MCQs

Total Questions : 3103 | Page 305 of 311 pages
Question 3041. A good quality coal should have ______________________?
  1.    Low fusion point of ash
  2.    High ash content
  3.    High sulphur content
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3042. Coke oven gas consists mainly of ____________________?
  1.    H2, & CH4
  2.    CO, & CO2
  3.    H2, & CO
  4.    CH4, & CO
 Discuss Question
Answer: Option A. -> H2, & CH4
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3043. Riboflavin is a/an____________________?
  1.    Vitamin
  2.    Analgesic drug
  3.    Anaesthetics
  4.    Anti-malarial drug
 Discuss Question
Answer: Option A. -> Vitamin
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3044. Potassium is kept & transported under ___________________ ?
  1.    Water
  2.    Liquid ammonia
  3.    Kerosene oil
  4.    Alcohol
 Discuss Question
Answer: Option C. -> Kerosene oil
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3045. A substance produced by a living organism and capable of anti-microbial activity is called a/an ____________________?
  1.    Antibiotic
  2.    Antiseptic
  3.    Disinfectant
  4.    None of these
 Discuss Question
Answer: Option A. -> Antibiotic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3046. Lurgi coal gasifier is a pressurised _______________ bed reactor ?
  1.    Moving
  2.    Fixed
  3.    Fluidised
  4.    Entrained
 Discuss Question
Answer: Option A. -> Moving
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3047. Sea weeds are an important source of_________________?
  1.    Fluorine
  2.    Chlorine
  3.    Bromine
  4.    Iodine
 Discuss Question
Answer: Option D. -> Iodine
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3048. Bakelite is _________________?
  1.    Same as Polytetrafluoroethylene (PTFE)
  2.    An inorganic polymer
  3.    Same as thermosetting phenol-formaldehyde
  4.    Not a polymer
 Discuss Question
Answer: Option C. -> Same as thermosetting phenol-formaldehyde
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3049. Oils and fats are converted to soap in a process called _________________?
  1.    Hydrogenation
  2.    Esterification
  3.    Saponification
  4.    None of these
 Discuss Question
Answer: Option C. -> Saponification
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3050. Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
  1.    Is prone to thermal decomposition
  2.    Has high water solubility and is unstable
  3.    Is soluble in ammonium chloride and potassium chloride solution
  4.    All A , B. and C.
 Discuss Question
Answer: Option C. -> Is soluble in ammonium chloride and potassium chloride solution
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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