Answer:
Br (Bromine)
H (Hydrogen)
Explanation:
C. Cu undergoes reduction.
MgO +H2SO4
use photomath
Answer:chlorofluorocarbons (CFCs)
halon.
carbon tetrachloride (CCl4)
methyl chloroform (CH3CCl3)
hydrobromofluorocarbons (HBFCs)
hydrochlorofluorocarbons (HCFCs)
methyl bromide (CH3Br)
bromochloromethane (CH2BrCl)
BRAINLIEST pls
