Day 444: MHT-CET Chemistry

1. A.
   $36\text{ }g{\text{ }mol}^{- 1}$
2. B.
   $46\text{ }g{\text{ }mol}^{- 1}$
3. C.
   $22\text{ }g{\text{ }mol}^{- 1}$
4. D.
   $32\text{ }g{\text{ }mol}^{- 1}$

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1. A.
   4
2. B.
   2
3. C.
   1
4. D.
   0.25

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1. A.
   Each atom consists of massive, positively charged centre.
2. B.
   The electrons are revolving continuously around the nucleus
3. C.
   This model does not describe the distribution of electrons around the nucleus.
4. D.
   This model describes the energies of electrons.

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1. A.
   Structure of material surface
2. B.
   Crystal structure
3. C.
   Binding nature
4. D.
   Particle size

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1. A.
   actinoid contraction
2. B.
   radioactive nature of actinoids
3. C.
   5f, 6d and 7s levels having comparable energies
4. D.
   4f and 5d levels being close in energies

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