Consecutive members of an alkane homologous serires differ by
CH
CH2
CH3
CnHn
Correct answer is B
No explanation has been provided for this answer.
The flame used by welders in cutting metals is
butane gas flame
acetylene flame
kerosene flame
oxy-acetylene flame
oxygen flame
Correct answer is D
No explanation has been provided for this answer.
The alkanol obtained from the production of soap is
ethanol
glycerol
methanol
propanol
glycol
Correct answer is B
No explanation has been provided for this answer.
Na 2CO 3
NaHCO 3
NaHSO 4
Na 2SO 4
Correct answer is C
No explanation has been provided for this answer.
The petroleum fraction that is used in heating furnaces in industries is
diesel oil
gasoline
kerosene
lubricating oil
Correct answer is A
No explanation has been provided for this answer.