Q. The metallic constituents of hard water are:

  • (A) Calcium, magnesium & iron
  • (B) Iron, tin & calcium
  • (C) Magnesium, calcium & tin
  • (D) Magnesium, tin & iron
✅ Correct Answer: (A) Calcium, magnesium & iron

Published by Ram Sharma ⭐ 193.88K Points at 29-Mar-2022 06:13 pm in Science

You must be Logged in to update hint/solution

💬 Discussion

📊 Question Analytics

👁️
397
Total Visits
📽️
4 y ago
Published
🎖️
Ram Sharma
Publisher
📈
81%
Success Rate