Question

Which of the methods, A, B, C, D or E is generally used for preparing the
(A) Action of an acid on a metal
(B) Action of an acid on an oxide or carb
(C) Direct combination (D) Neutralization of an alkali by an acid (5)
(i) Copper [II] chloride (ii) Iron (II) chloride
(iv) Lead [II] chloride
(v) Sodium chloride
r preparing the chlorides listed below from (i) to (v).
n acid on an oxide or carbonate
an acid (E) Precipitation (double decomposition)
(iii) Iron (III) chloride
Each method is to be used only once.​

Answer 1

when zinc metal react with acid it produce zinc chloride and hydrogen gas