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CHEMISTRY MCQs

Total Questions : 2589 | Page 4 of 259 pages
Question 31. Aluminium chloride is
  1.    Bronsted Lowry Acid
  2.    Arrhenius Acid
  3.    Lewis Acid
  4.    Lewis Base
 Discuss Question
Answer: Option C. -> Lewis Acid
Question 32. The unit of ionic product of water (Kw) is :
  1.    Mol2 let-1
  2.    Mol2 let-2
  3.    Mol-1 let-2
  4.    Mol-1 let-1
 Discuss Question
Answer: Option B. -> Mol2 let-2
Question 33. The buffer action of blood is due to the presence of
  1.    HCI and NaCI
  2.    CI– and [CO3]2–
  3.    CI– and [HCO3]–
  4.    [HCO3]– and H2CO3
 Discuss Question
Answer: Option D. -> [HCO3]– and H2CO3
Question 34. Bakelite is a co-polymer of Phenol and
  1.    Formaldehyde
  2.    Acetaldehyde
  3.    Benzaldehyde
  4.    Cinnaldehyde
 Discuss Question
Answer: Option A. -> Formaldehyde
Question 35. Which of the following is not an addition polymer?
  1.    Nylon
  2.    PVC
  3.    Polythene
  4.    Polystyrene
 Discuss Question
Answer: Option A. -> Nylon
Question 36. The polymer used in making plastic crockery is
  1.    Decron
  2.    Nylon
  3.    Bakelite
  4.    Melamine
 Discuss Question
Answer: Option D. -> Melamine
Question 37. The polymerisation of which often following is used in manufacturing of polythene in industry ?
  1.    Methane
  2.    Styrene
  3.    Acetylene
  4.    Ethylene
 Discuss Question
Answer: Option D. -> Ethylene
Question 38. Natural rubber is the polymer of :
  1.    Isoprene
  2.    Styrene
  3.    Butadiene
  4.    Ethylene
 Discuss Question
Answer: Option A. -> Isoprene
Question 39. The name of plastic polymer from which combs, toys, bowls etc., can be made, is
  1.    Polyurethane
  2.    Polystyrene
  3.    Metallic polysulphides
  4.    Teflon
 Discuss Question
Answer: Option B. -> Polystyrene
Question 40. The basic chemical building block of natural rubber obtained from trees is
  1.    Isoprene
  2.    Vinyl Chloride
  3.    Acetylene
  4.    Neoprene
 Discuss Question
Answer: Option A. -> Isoprene

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