Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Science
Question #7979
Back to Home
View All Science Questions
14 Views
Question
Permanent hardness of water may be removed by the addition of
A. Alum
B. Potassium permanganate
C. Lime
D. Sodium carbonate
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Atoms are composed of
17
The multiverse hypothesis suggests:
15
Which vitamin deficiency causes night blindness?
16
Who was the Nepali student whose body was repatriated from Israel in October 2025 after being killed...
(Current Affairs)
11
Which country's military launched airstrikes targeting Iranian nuclear and military sites in June 20...
(Current Affairs)
28