Class VIII

The non-metal which is liquid at room temperature is:
  1. Carbon
  2. Iodine
  3. Bromine
  4. Chlorine.
The liquid metal at room temperature
  1. Mercury
  2. Bromine
  3. sodium
  4. gold
Materials around us can be classified into
  1. Elements and compounds
  2. Metals and non-metals
  3. Acids and bases
  4. None of these
The metal which can be cut with a knife
  1. Sodium and potassium
  2. Barium and calcium
  3. Sodium and mercury
  4. Potassium and calcium.
All metals are solids except
  1. sodium
  2. Calcium
  3. Mercury
  4. Hydrogen.
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