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 #37806
Back to Home
View All P BLOCK ELEMENTS Questions
14 Views
Question
Which of the following is NOT a method for preparing dioxygen in the laboratory?
A. Heating potassium chlorate with MnO2 catalyst
B. Thermal decomposition of silver oxide
C. Decomposition of hydrogen peroxide using MnO2
D. Fractional distillation of liquefied air
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What are the reported harmful effects of high ozone concentration (>100 ppm)?
19
What is the role of concentrated sulfuric acid in the brown ring test for nitrates?
17
Which of the following conditions would favor the reverse reaction in the Haber process (decompositi...
10
What major event marked the culmination of the 10-day Ganesh festival in Mumbai in 2025?
(Current Affairs)
24
Which country's Supreme Leader rejected US calls for surrender following Israeli strikes and warned ...
(Current Affairs)
26