School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Search SchoolNGR
Search
Monday, 13 April 2026
Register
.
Login
Your browser does not seems to have Javascript enabled. Please enable Javascript in order to use all the features of this website!
How many electrons are removed from Cr2- when it is oxidized to CrO42-?
Classroom
Chemistry Classroom
Waec
Waec 1998
More Topics
How many electrons are removed from Cr
2-
when it is oxidized to CrO
4
2-
?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
O
B
2
C
4
D
8
E
10
Show Answer
Show Explanation
Correct Answer:
Option C
Explanation:
Prev
Current
Next
Share question on:
Facebook
X
WhatsApp
Study Subjects
Accounts - Principles of Accounts
Animal Husbandry
Aptitude Test
Agricultural Science
Arabic
Auto Mechanics
Basic Electronics
Biology
Bookkeeping
Block laying, bricklaying, and concreting work
Load More Subject
Stay Updated
Follow us on:
Facebook
X