Class XI

Ceramics are
  1. Resistant to flow of electricity
  2. Good conductors of electricity
  3. Form of sublimates
  4. Are largey transitioned elements
Saucepans can be manufactured through electrolysis of
  1. Nickel
  2. Galvanized zinc
  3. Chromium
  4. Copper
Fermented liquor can be purified and separated through
  1. SSSimple distillation
  2. Fractional distillation
  3. Sublimation
  4. Centrifugation
Chemical formula of aluminum nitrate is
  1. AlNi3
  2. Al3Ni2
  3. Al(NO2)3
  4. Al(NO3)3
In electrolysis of aqueous solutions of dilute acids or dilute alkalis, amount of hydrogen given off is
  1. Roughly half of oxygen given off at anode
  2. Roughly same as of oxygen given off at anode
  3. Is roughly twice oxygen given off at anode
  4. Is roughly twice oxygen given off at cathode
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