Which gas comes out when water is mixed with bleaching powder?
A. carbon dioxide
B. hydrogen
C. oxygen
D. chlorine
Answer: Option D
A. carbon dioxide
B. hydrogen
C. oxygen
D. chlorine
Answer: Option D
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