20.When carbon dioxide is passed through lime water,the substance formed is *Ocalcium oxideCalcium carbonateOboth (a) and (b)None of the above

20.When carbon dioxide is passed through lime water,the substance fo

1.	20.When carbon dioxide is passed through lime water,the substance formed is *Ocalcium oxideCalcium carbonateOboth (a) and (b)None of the above
Answer» both NONE of the above PLEASE MARK me BRAINLIEST