The Ultimate Chemistry Formula Challenge – Can You Score 30/30?

Chemistry Ion Challenge

Can you score 30/30? Test your skills!

🚀 Quick Tricks:

• +1 Valency: Ammonium (NH₄)
• -1 Valency: OH, NO₃, HCO₃, Cl
• -2 Valency: SO₄ (Sulphate), CO₃ (Carbonate)
• -3 Valency: PO₄ (Phosphate)

0

Quiz Complete!

Calculating...

🔗 Related ICSE Class 8 Resources

For more exam-oriented practice and to boost your preparation, check out these important study materials for Class 8 ICSE students:

• 📘 8th ICSE Previous Year Questions
• 📝 8th ICSE Sample Question Paper