Class XI

Separating a liquid from a solution can be carried out through
  1. Simple filtration
  2. Simple distillation
  3. Chromatography
  4. Fractional distillation
A conductor
  1. Changes while conducting electricity
  2. Does not change while conducting electricity
  3. Does not allow flow of electricity
  4. Cannot operate at high pressures
Since ions are held in fixed positions by strong forces, electricity is not conducted by
  1. Electrodes
  2. Electrolytes
  3. Insulators
  4. Metals
Metal core in power cable is not made up of
  1. Sulphur
  2. Phosphorus
  3. Mercury
  4. All of these
Metal oxides or metal hydroxides form
  1. Acids
  2. Base
  3. Salt solution
  4. Sugar solution
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