Some Basic Concepts Of Chemistry Question 91

Question: The percentage of oxygen in NaOH is

Options:

A) 40

B) 60

C) 8

D) 10

Show Answer

Answer:

Correct Answer: A

Solution:

[a] 40gm NaOH contains 16gm of oxygen

100gm of NaOH contains 1640×100 =40% oxygen.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक