Nitrogen is used in electric bulbs because-
A. It is lighter than air
B. It produces more light in the bulb
C. Does not support combustion
D. It is not toxic
Answer: Option C
A. It is lighter than air
B. It produces more light in the bulb
C. Does not support combustion
D. It is not toxic
Answer: Option C
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