Chemistry, asked by h7al8likabhorepadma, 1 year ago

an element x atomic no. 20 burns in presence of oxygen to form basic oxide. write balanced chemical equation for the reaction when this oxide is dissolved in water

Answers

Answered by SARDARshubham

The element of Atomic number 20 is calcium.
When calcium burns in presence of oxygen it forms calcium oxide (CaO)
When calcium oxide is dissolved in water it forms calcium hydroxide

2CaO + 2H2O ==> 2Ca(OH)2

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