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CHEMISTRY MCQs

Total Questions : 2589 | Page 59 of 259 pages
Question 581. Adding Cl2 to benzene in the presence of AlCl3 is an example of :
  1.    Elimination reaction
  2.    Substitution reaction
  3.    None of the options
  4.    Addition reaction
 Discuss Question
Answer: Option B. -> Substitution reaction
Question 582. Which one is the simplest aromatic hydrocarbon?
  1.    Aspirin
  2.    Benzene
  3.    Chloride
  4.    Picric acid
 Discuss Question
Answer: Option B. -> Benzene
Question 583. Saccharin is made up of
  1.    Toluene
  2.    Phenol
  3.    Propane
  4.    Butane
 Discuss Question
Answer: Option A. -> Toluene
Question 584. The compound to which H2 does not add is
  1.    Biphenyl ethylene
  2.    Tetraphenyl ethylene
  3.    Tetra – a –naphthylethylene
  4.    Tetra –9 – phenanthrylethylene
 Discuss Question
Answer: Option B. -> Tetraphenyl ethylene
Question 585. The pair of compounds used as anaesthetic in medicines :
  1.    Ether, Ammonia
  2.    Nitrous oxide, Chloroform
  3.    Chloroform, Nitrogen dioxide
  4.    Nitrogen dioxide, ether
 Discuss Question
Answer: Option B. -> Nitrous oxide, Chloroform
Question 586. Which of the following is not a nitrogenous fertilizer ?
  1.    Ca(CN)2
  2.    CaCN2
  3.    NH4NO3
  4.    Urea
 Discuss Question
Answer: Option A. -> Ca(CN)2
Question 587. Which of the following is used for refrigeration?
  1.    Sulphur dioxide
  2.    Chlorine
  3.    Freon
  4.    Phosphine
 Discuss Question
Answer: Option C. -> Freon
Question 588. Freon used as refrigerant is chemically
  1.    Chlorinated hydrocarbon
  2.    Fluorinated hydrocarbon
  3.    Chlorofluoro hydrocarbon
  4.    Fluorinated aromatic compound
 Discuss Question
Answer: Option C. -> Chlorofluoro hydrocarbon
Question 589. The gas used for artificial fruit ripening of green fruit is
  1.    Ethylene
  2.    Acetylene
  3.    Ethane
  4.    Methane
 Discuss Question
Answer: Option A. -> Ethylene
Question 590. Which one of the following vegetable oils is used in the manufacture of paints?
  1.    Palm oil
  2.    Sunflower oil
  3.    Linseed oil
  4.    Cottonseed oil
 Discuss Question
Answer: Option C. -> Linseed oil

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