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
9 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 is the physical state and colour of Nitrogen dioxide (NO2) at room temperature?
10
What is the name given to oxides that react with water to produce a base, according to the text?
8
What is the bond angle H-E-H in H2Te?
15
Which authority has been directed to remove encroachments from the Yamuna floodplains by November?
(Current Affairs)
20
Which state’s Assembly passed the Prohibition of Polygamy Bill, 2025, excluding Scheduled Tribes a...
(Current Affairs)
4