In the chemical reaction shown below how do you classify hydrogen and oxygen 2h2+o2→h2o
A.Products
B. Reactants
C.Physical changes
D.chemical properties

the answer is B but I wanna know WHY B IS THE ANSWER

Respuesta :

In the chemical reaction shown hydrogen and oxygen are classified as reactants.

Reactants are substances that combines with each other to give a new substance(s) called products.

Reactants are always shown at the left hand side of a chemical reaction equation while products are shown at the right hand side of a reaction equation. Both sides are separated by the arrow.

Hydrogen and oxygen appeared at the left hand side in the equation; 2H2 + O2 → H2O, hence they are reactants.

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