How to get calcium hydroxide from calcium? Magnesium Nitrate – From Magnesium?

univerkov | August 18, 2021 | education

How to get calcium hydroxide from calcium? Magnesium Nitrate – From Magnesium? Write several ways. Write down the reaction equations and name the substances obtained.

1) 2Ca + O2 => 2CaO (calcium oxide);
CaO + H2O => Ca (OH) 2 (calcium hydroxide);
2) Ca + 2H2O => Ca (OH) 2 + H2 (calcium hydroxide, hydrogen);
3) 2Mg + O2 => 2MgO (magnesium oxide);
MgO + 2HNO3 => Mg (NO3) 2 + H2O (magnesium nitrate, water);
4) 4Mg + 10HNO3 => 4Mg (NO3) 2 + NH4NO3 + 3H2O (magnesium nitrate, ammonium nitrate, water).

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