Prep
Bee
Pakistan
Free MCQ Practice Platform for Govt Job Exams
Home
MCQs
Quiz
Past Papers
FIA Prep
Contact
Quiz Mode
Login
Register
Preparing your study page...
Home
MCQs
Chemistry
MEDIUM
ENGLISH
Chemistry
In K2Cr2O7 the oxidation number of chromium is____________________?
A
7
Option A
6
Correct answer
C
-7
Option C
D
-6
Option D
Correct answer: B
Explanation
No explanation provided for this MCQ yet.
Hide Answer
Hide Explanation
Start Related Quiz
Submit Correction
More MCQs