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More Questions on This Topic :

Question 1. Two electrons in an orbital are differentiated by which of the following ?
  1.    Magnetic quantum number
  2.    Spin quantum number
  3.    Principal quantum number
  4.    Azimuthal quantum number
Answer: Option B

Question 2. When cathode rays strike a target of high atomic weight, they give rise to
  1.    alpha-rays
  2.    beta and gamma rays
  3.    X-rays
  4.    Positive rays
Answer: Option C

Question 3. How many electrons can be accommodated in d-orbital?
  1.    3
  2.    6
  3.    8
  4.    10
Answer: Option D

Question 4. The percentage of carbon in cast iron is :
  1.    0.01 to 0.25
  2.    0.5 to 1.5
  3.    6 to 8
  4.    3 to 5
Answer: Option D

Question 5. Brass is a solution of molten copper in
  1.    Solid zinc
  2.    Molten zinc
  3.    Gaseous zinc
  4.    Molten tin
Answer: Option B

Question 6. Cinnabar is an ore/mineral of
  1.    Lead
  2.    Manganese
  3.    Molybdenum
  4.    Mercury
Answer: Option D