HomeChemical Arithamatic The percentage of oxygen in NaOH is [CPMT 1979] Question: The percentage of oxygen in NaOH is [CPMT 1979](a) 40(b) 60(c) 8(d) 10Correct Answer: (a) 40 Tags: Chemical Arithamatic chemistry class 11 Class 11 Chemistry JEE Chemistry Mole Concept NEET Chemistry NEET Question Facebook Twitter