Question

State the type of chemical reaction with chemical equatioms of magnesium wire is burnt in air.

Answer 1

combination reaction -2Mg + O2 -2Mgo

decomposition reaction - Mg(s) Mg(s) + O2(g)

displacement reaction - Mg + H2O - Mgo H2

Answer 2

combustion reaction.

CHEMICAL REACTION:

2Mg + O2 -----------------> 2MgO