Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
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
28 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 basic molecular structure of elemental Phosphorus?
45
What is the nature of As₂O₃ and Sb₂O₃?
45
Which Group 18 element has the electronic configuration [Ar] 3d¹⁰ 4s² 4p⁶?
31