The chemical reaction during which H2(g) is lost is termed as ______.
Fill in the blanks:
(1) The chemical formula of POP is ________
(2) The chemical reaction during which H2(g) is lost is termed as ________
(3) Corrosion can be prevented by using ________
(4) When acids and alkalis react together, ________ and ________ are formed.
(5) The chemical reactions in which heat is liberated are called ________ reactions.