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MCQs

Total Questions : 204 | Page 6 of 21 pages
Question 51. These are the areas of heating curve
  1.    Straight line
  2.    Slanted area
  3.    Flat area
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Answer: (d).All of above
Question 52. The graph between temperature and time is
  1.    Heating curve
  2.    Cooling curve
  3.    Isotherm
  4.    Parabola
 Discuss Question
Answer: Option A. -> Heating curve
Answer: (a).Heating curve
Question 53. The amount of heat absorbed for any portion of the curve can be calculated by using formula
  1.    Time X Rate of heat applied
  2.    Temperature x Rate of heat applied
  3.    Rate of reaction x Time
  4.    Temperature x quantity of a gas
 Discuss Question
Answer: Option A. -> Time X Rate of heat applied
Answer: (a).Time X Rate of heat applied
Question 54. Heating curve shows the change in
  1.    Pressure
  2.    Temperature
  3.    Volume
  4.    Concentration of liquid
 Discuss Question
Answer: Option B. -> Temperature
Answer: (b).Temperature
Question 55. Electricity is not conducted by
  1.    plastic
  2.    non-metals
  3.    solid ionic substances
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 56. Electrolysis refers to the
  1.    passing of cathode in molten solid
  2.    passing electricity through a solution or molten solid
  3.    substance that does not allow the flow of electricity
  4.    copper plating of utensils
 Discuss Question
Answer: Option B. -> passing electricity through a solution or molten solid
Answer: (b).passing electricity through a solution or molten solid
Question 57. Anodic oxidation refers to the
  1.    loss of electrons at the anode
  2.    gain of electrons at the cathode
  3.    loss of electrons at the cathode
  4.    gain of electrons at the anode
 Discuss Question
Answer: Option A. -> loss of electrons at the anode
Answer: (a).loss of electrons at the anode
Question 58. Most reactive metal in given series is
  1.    magnesium
  2.    zinc
  3.    iron
  4.    tin
 Discuss Question
Answer: Option A. -> magnesium
Answer: (a).magnesium
Question 59. A strong electrolyte solution makes a bulb
  1.    shine brightly
  2.    shine dimly
  3.    does not shine at all
  4.    burst or fuse
 Discuss Question
Answer: Option A. -> shine brightly
Answer: (a).shine brightly
Question 60. Electrode may not be made up of
  1.    Graphite
  2.    Platinum
  3.    Copper
  4.    Silver
 Discuss Question
Answer: Option D. -> Silver
Answer: (d).Silver

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