Chemistry · Water
The amount of dissolved ions of which elements primarily determines the hardness of water?
- 1Germanium and arsenic
- 2Calcium and magnesium✓
- 3Silicon and caesium
- 4Selenium and bromine
Correct answer
Calcium and magnesium
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Water?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Water