Answer : The correct option is, The products will be different than the reactants.
Explanation :
Chemical reaction : During a chemical reaction, two or more reactants are converted to the one or more different products. Or we can sat that a chemical reaction rearrange the component of atoms of reactants to form a different products.
For example : Magnesium react with water to give magnesium hydroxide and hydrogen gas.
The reaction will be,

Hence, the correct option is, The products will be different than the reactants.