. . . . . . . . gas is also produced by reaction of acids upon metals.
A. Carbon dioxide
B. Hydrogen
C. Nitrogen
D. Oxygen
Answer: Option B
A. Carbon dioxide
B. Hydrogen
C. Nitrogen
D. Oxygen
Answer: Option B
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard
Join The Discussion