Class XI

 Less vitamins and valuable nutrients are destroyed if the
  1. Smaller particles are cooked
  2. Larger food particles are cooked
  3. If food is frozen
  4. If food is fried
In electrolysis of brine, ions moving to cathode include
  1. Sodium + hydrogen ions
  2. Hydroxide ions
  3. Oxide ions
  4. Hydrogen gas is bubbled off
Electrodes refer to the
  1. Switches in a battery
  2. Metal plates carrying electricity in liquid
  3. Cathode
  4. Anode
Nitric Acid (HNO3) manufacturing requires catalyst of
  1. Vanadium oxide
  2. Iron
  3. Platinum
  4. Nickel
 To balance Cu + H2SO4 → CuSO4 + H2O + SO2; number of H2SO4 molecules will be
  1. 1
  2. 2
  3. 3
  4. 4
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