Class VIII

The non-metal which is liquid at room temperature is:
  1. Carbon
  2. Iodine
  3. Bromine
  4. Chlorine.
The most reactive metal is:
  1. iron
  2. gold
  3. zinc
  4. potassium
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 liquid metal at room temperature
  1. Mercury
  2. Bromine
  3. sodium
  4. gold
Metal oxides are of nature
  1. Acidic
  2. Basic
  3. Neutral
  4. All of these.
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