Surface Chemistry & Solid State · JEE Main previous year questions

2002 2 questions

1. Q2152002 · 27 Apr 2002 · Shift 1

   The formation of gas at the surface of tungsten due to adsorption is the reaction of order :

   1. A.0
   2. B.1
   3. C.2
   4. D.insufficient data
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   Answer: A

2. Q2162002 · 27 Apr 2002 · Shift 1

   Na and Mg crystallize in BCC and FCC type crystals respectively, then the number of atoms of Na and Mg present in the unit cell of their respective crystal is :

   1. A.4 and 2
   2. B.9 and 14
   3. C.14 and 9
   4. D.2 and 4
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   Answer: D