What are the metallic constituents of hard water ?

A Magnesium, calcium and tin
B Iron, tin and calcium
C Calcium, magnesium and iron
D Magnesium, tin and iron
Answer & Explanation
Option: [C]

Random GK Questions

A Income Tax
B Corporation Tax
C Central Excise
D Customs Duty

View Answer

Your Valuable Comments Please...

Important EBooks for Competitive Exams