📅 NSB 2017🎓 HS🔄 Round 5#️⃣ Q13🌟 BONUS✍️ Short Answer
What class of microporous aluminosilicates [ah-lumin-oh-SILL-ih-kets] is used to soften hard water by removing metal ions such as iron and replacing them with sodium?
✔️Answer:ZEOLITES
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