CET MCQ questions and answers Polytechnic 2015-2016 (Part5)
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CET MCQ questions and answers Polytechnic 2015-2016 (Part5)

CET MCQ questions and answers Polytechnic 2015-2016 (Part1)
CET MCQ questions and answers Polytechnic 2015-2016 (Part1)

CET MCQ questions and answers Polytechnic 2015-2016 (Part5)

Previous Year Questions and Answers Year 2015-2016 (MCQ with solutions)

41. Which of the followingis double displacement reaction :

  • a) A + BC -> AB + c
  • b) A + B -> AB
  • c) ABC -> BCA
  • d) AB + XY ->AX + BY



42. Which of the following did not disturb the equilibrium point ?

  • a) Catalyst
  • b) Temperature
  • c) Pressure
  • d) Concentration



43. Rate of chemical reaction is :

  • a) Always positive
  • b) Always negative
  • c) Both (a) and (b)
  • d) None of these



44. Unit of molarity :

  • a) mol L⁻¹ s⁻¹
  • b) mol s⁻¹
  • c) No units
  • d) mol L⁻¹



45. Those reactions which occur in a few minutes are called :

  • a) Very slow reaction
  • b) Slow reaction
  • c) Fast reaction
  • d) Very fast reaction



46. The unit of rate of the reaction is :

  • a) mol L⁻¹
  • b) mol⁻¹s⁻¹
  • c) mol L⁻¹s⁻¹
  • d) L mol⁻¹s⁻¹



47. Which of the following is acidic :

  • a) Milk
  • b) Amchoor
  • c) Salt solution
  • d) Sugar solution



48. Acids and bases react to produce :

  • a) Salt and oxygen gas
  • b) Salt and hydorgen gas
  • c) Salt and Water
  • d) None of these



49. Which of the following is a weak acid ?

  • a) HNO₃
  • b) HCI
  • c) CH₃COOH
  • d) H₂SO₄



50. Which is the pH value of blood ?

  • a) 7
  • b) 1
  • c) 7.3
  • d) 0
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