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Chemistry miscellaneous
  1. The gas dissolved in water that makes it basic is :
    1. ammonia
    2. sulphur dioxide
    3. hydrogen
    4. carbon dioxide
Correct Option: A

Ammonia gas that dissolves in water forms a solution of ammonium hydroxide (NH4OH). This solution (including the gas) is a strong base and will make the solution alkaline. H2O + NH3 OH– + NH4+


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