Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Some Basic Concepts of Chemistry
Question #23164
Back to Home
View All Some Basic Concepts of Chemistry Questions
43 Views
Question
What causes water to be classified as 'hard water'?
A. Presence of sodium and potassium salts
B. Presence of chloride ions only
C. Presence of nitrate ions only
D. Presence of soluble salts of calcium and magnesium
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the main purpose of back titration?
40
What is the formula for calculating the equivalent mass of an oxidizing or reducing agent?
27
What is the correct expression for the number of moles of a molecule?
24