556 . PVC is obtained by the polymerization of
A.  Propane
B.  Vinyl chloride
C.  Styrene
D.  Acetylene
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557 . The snow on the mountains does NOT melt all at once when it is heated by the sun because
A.  it becomes very hard
B.  it reflects most of the heat from the sun
C.  it has a low specific heat capacity
D.  it has a high latent heat of fusion
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558 . Two waves, each of the amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/ s. The distance in mm between adjacent nodes is
A.  1.0
B.  1.2
C.  1.5
D.  2.0
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559 . The state that is giving Rs. 1 Lac to the Alcohol free village ?
A.  Jharkhand
B.  Bihar
C.  MP
D.  UP
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560 . Which would be the base currency of BRICS development Bank ?
A.  US dollar
B.  Yen
C.  Yuan
D.  None of these
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561 . Famous Comics character 'Phantom' created by
A.  Eyan Flayming
B.  Lee Fock
C.  Rudyard Cipling
D.  Kabir khan
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