Question

1. name The rxn 3MnO2 + 4A1-3Mn +2A1,0, + Heat
(a) Combination & exothermic rxn.
(b) Combination & endothermic rxn.
(c) Displacement & exothermic rxn.
(d) Displacement & endothermic rxn. ​

Answer 1

Answer:

it is an displacement and exothermic reaction because Aluminium is displacing magnesium oxide and reacts with it

Explanation:

Answer 2

Answer:

c

Explanation:

as the compound is reacting with the element it is a simple displacement reaction and the heat is releasing so it is exothermic

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