Answer :
Answer:
D) double replacement
Step-by-step explanation:
. A double replacement reaction is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products. In this equation, 2s and Cl are the reactants that changed.
for example:
AB + CD → AC + BD
Answer:
when sodium sulphide +hydrochloric acid we get
sodium chloride and hydrogen sulphide.
this is a double replacement reaction.