School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Search SchoolNGR
Search
Saturday, 25 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!
When water boilers are used for a long period of time, the solid substances left behind ...
Classroom
Chemistry Classroom
Post Utme
Post Utme 0
More Topics
When water boilers are used for a long period of time, the solid substances left behind as scale are ____________
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Magnesium trioxosilicate (IV) and rust
B
Magnesium trioxosilicate (IV) and calcium trioxosulphate (VI)
C
Gay and magnesium trioxosilicate (IV)
D
Clay and rust
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