Practice Question and Answer

Q: Is C2 Paramagnetic or Diamagnetic? 2221 0

  • 1
    Paramagnetic
    Correct
    Wrong
  • 2
    Diamagnetic
    Correct
    Wrong
  • 3
    Ferromagnetic
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 2. "Diamagnetic"
Explanation :

Answer: B) Diamagnetic Explanation: Paramagnetic Molecules :: If the Electronic configuration of a molecule has any unpaired electrons, then that molecule is said to be Paramagnetic. Diamagnetic Molecules :: If the Electronic configuration of a molecule has only paired or spin paired electrons, then that molecule is said to be Diamagnetic.   Here the molecule C2 has all paired electrons in its electronic configuration. So C2 is Diamagnetic. Whereas, B2 molecule has unpaired electrons. So B2 is Paramegnetic.

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Answer : 1. "42 "

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Answer : 4. "No improvement "

Q:

02 September is celebrated as which day worldwide?

2221 0

  • 1
    World safety day
    Correct
    Wrong
  • 2
    World friendship day
    Correct
    Wrong
  • 3
    World Coconut Day
    Correct
    Wrong
  • 4
    World victory day
    Correct
    Wrong
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Answer : 3. "World Coconut Day"

Q:

Find the inner surface area of all walls of a rectangular room with length 7 m breadth 5 m and height 3.5 m -  

2221 0

  • 1
    $$84 m^2 $$
    Correct
    Wrong
  • 2
    $$168 m^2 $$
    Correct
    Wrong
  • 3
    $$126 m^2 $$
    Correct
    Wrong
  • 4
    $$42 m^2 $$
    Correct
    Wrong
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Answer : 1. "$$84 m^2 $$"

Q: A word i know, six letters it contains, subtract just one and twelve remains. What is it? 2220 0

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Answer :
Explanation :

DOZENS. If we remove 'S' from it, it is DOZEN which tells that 12.

Q: In following number series only one number is wrong. Find out that wrong or odd number in the series? 6, 78, 858, 7722, 54055, 270270 2220 0

  • 1
    270270
    Correct
    Wrong
  • 2
    54055
    Correct
    Wrong
  • 3
    7722
    Correct
    Wrong
  • 4
    858
    Correct
    Wrong
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Answer : 2. "54055"
Explanation :

Answer: B) 54055 Explanation: Here the given series follows a pattern that, multiplying the number with odd numbers in decreasing order starting with 13. That is,   6 × 13 = 78   65 × 11 = 858   858 × 9 = 7722   7722 × 7 = 54054   54054 × 5 = 270270   Hence, the wrong number is 54055

Q:

Endospermic seeds are found in ________. 

2220 0

  • 1
    Gourd
    Correct
    Wrong
  • 2
    Pisum sativum
    Correct
    Wrong
  • 3
    Carica Papaya
    Correct
    Wrong
  • 4
    Dolichols lablab
    Correct
    Wrong
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Answer : 3. "Carica Papaya "

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