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
Some Basic Concepts of Chemistry
Question #23164
Back to Home
View All Some Basic Concepts of Chemistry Questions
34 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
Express 234,000 in scientific notation.
28
What is the modern term used to replace 'amu'?
28
What is the volume of a cube with a side length of 2 cm?
19
What percentage of their travel spending did Prime Minister Narendra Modi suggest tourists should sp...
(Current Affairs)
29
When will the reference date for Census 2027 be set for most parts of India?
(Current Affairs)
55