The oxidation of magnesium to form magnesium oxide is shown by which balanced chemical equation?
a) mg(s) + o2(g) → mgo(s)
b) 2mg(s) + o2(g) → 2mgo(s)
c) 2mgo(s) → 2mg(s) + o2(g)
d) 2mg(s) → 2mgo(s) + o2(g)

Answer : The correct balanced chemical reaction will be,

(B)

Explanation :

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

If the amount of atoms of each type on the left and right sides of a reaction differs then to balance the equation by adding coefficient in the front of the elements or molecule or compound in the chemical equation.

Synthesis reaction : A chemical reaction where multiple substances or reactants combine to form a single product.

It is represented as,

The balanced chemical reaction will be,

the answer is minerals.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.