Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
P BLOCK ELEMENTS
Question #42625
Back to Home
View All P BLOCK ELEMENTS Questions
10 Views
Question
How is dioxygen (O₂) prepared in the laboratory according to the summary?
A. By electrolysis of water
B. By fractional distillation of liquid air
C. By heating KClO₃ in presence of MnO₂
D. By heating KMnO₄ alone
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why is hydrogen fluoride (HF) a liquid at room temperature while other hydrogen halides are gases?
8
Which property of HCl gas makes it turn moist blue litmus paper red?
11
How is dioxygen (O₂) prepared in a typical laboratory setting according to the summary?
11
Which Indian ministry assigned responsibilities to various departments for disaster management in 20...
(Current Affairs)
12
Why is the West Bengal Government likely to call a special Assembly session in August 2025?
(Current Affairs)
20