Answer :
Answer: 1
The first chemical reaction mentioned above represents a single replacement reaction; a reaction in which only one element is substituted by another element.
The second reaction shows a decomposition reaction; a reaction in which a compound is broken down into two more elements.
The first chemical reaction mentioned above represents a single replacement reaction; a reaction in which only one element is substituted by another element.
The second reaction shows a decomposition reaction; a reaction in which a compound is broken down into two more elements.