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Related Questions

  1. Biochemical oxygen Demand ,(BOD) is a measure of organic material present in water
  2. In the brown ring test for the nitrate ion, the brown colour is due to
  3. Acetamide and ethylamine can be distinguished by reacting with
  4. Which one forms KHX₂ type compound
  5. 1-bromopropane on treatment with ethanolic potassium hydroxide produces