Question

1-Which of the following reactions gives copper as a product
A Passing dry ammonia over heated copper oxide.
B Adding dilute hydrochloric acid to copper oxide.
C Heating copper oxide.
D Passing oxygen over heated copper oxide?
2- Formation of chloroform from methane and chlorine is an example of:
A Addition
B Dehydration
C Substitution
D Elimination.

Answer 1

for 1st one.
Option A.
for 2nd one.
Option C.