Question

2. What types of reactions are represented by following:
(a) CaC04 + CO,
(b) 2Ca +0,- 2a0
(c) Pb + CuCl, → PbCl, + Cu
(d) 2Feso, → Fe,0, +SO, +SO,
(e) Na SO, + BaCl, → BaCl, + 2NaCl​

Answer 1

b is the only correct

Answer:

b is the only one