School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Search SchoolNGR
Search
Friday, 03 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!
Hardness of water is caused by the presence of ions of
Classroom
Chemistry Classroom
Jamb
Jamb 2004
Water
More Topics
Hardness of water is caused by the presence of ions of
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Magnesium and silver
B
Cacium and magnesium
C
Sodium and potassium
D
Calcium and sodium
Show Answer
Show Explanation
Correct Answer:
Option B
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