Question

Category of elements (highly electro positive) are found in both free and combined form is nature. An element X combines with O2 at room temperature and an element Y combines with O2 along with heating to produce their corresponding oxides. The elements X, P and Q react with cold water, hot water and steam to produce their corresponding hydroxide and H2 gas. The element P reacts with acid to form corresponding salt and H2 gas. Identify the elements X, Y, P and Q and write the reaction involved.

Answer 1

Answer:

X- na sodium

Y- k

P- mg

Q- fe