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CBSE Class 10 Science 2020 · Paper 31/2/1 · Question 8(b)

Management of Natural Resources 1 mark Easy
The most poisonous product formed by incomplete combustion of fossil fuels is
  1. (a)Carbon dioxide
  2. (b)Nitrogen dioxide
  3. (c)Carbon monoxide
  4. (d)Sulphur dioxide

Answer

(c) Carbon monoxide

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