Current Affairs Quiz 2024
GK
Courses
Aptitude
Banking
English
UGC NET
Home
/
General Knowledge
/
which-of-the-following-is-not-a-method-of-preparing-oxygen
By
Gkseries
see more questions
Q.
Which of the following is not a method of preparing oxygen?
[A] Decomposition of potassium permanganate
[B] Decomposition of manganese dioxide
[C] Fractional distillation of liquid air
[D] Electrolysis of water
Answer & Explanation
Answer: Option [B]
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
← Go To First Question
Go To 144 of →
Click Here to Read more questions