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 #34889
Back to Home
View All P BLOCK ELEMENTS Questions
22 Views
Question
What is the main impurity removed when N₂ is passed through acidified K₂Cr₂O₇?
A. O₂ and H₂
B. CO₂ and H₂O
C. NH₃ and HCl
D. NO and HNO₃
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why are the melting and boiling points of fluorine lower than expected compared to heavier halogens?
13
Why is a silent electrical discharge used in the preparation of ozone?
21
What is the stable form of sulphur below 369 K according to the text?
23