Answer :
X = 
Y = 
Explanation :
Balanced chemical equation : It is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.
The given chemical equation is:

As we know that when aluminum hydroxide react with sulfuric acid then it gives aluminum sulfate and water as product.
The balanced chemical reaction will be:

Thus, X is
and Y is 
Heat can be transferred from one material to another by direct touch (conduction), by differences in density of a fluid (temperature difference), and by RADIATION
Answer:
i believe it is lithium cause its is used for batteries and potassium is in like foods right? lmk if im wrong
and potassium helps to protect from radiation
Explanation:
The iupac name is ethylene glycol