Class IX

A free radical has
  1. unpaired electrons
  2. paired electrons
  3. no electrons
  4. even no. of electrons
Molecular mass of glucose is
  1. 180.096 amu
  2. 190.096 amu
  3. 130.096 amu
  4. 181.096 amu
Molecular mass of glucose is
  1. 180.096 amu
  2. 190.096 amu
  3. 181.096 amu
  4. 130.096 amu
Species present in a substance refers to
  1. atoms
  2. ions
  3. molecules
  4. representative particles
Gram atomic mass of Zn is
  1. 23g
  2. 12g
  3. 63.54g
  4. 56.67g
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