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Soft and hard metals || difference between soft and hard metals || class 9 chemistry
Hard Water and Soft Water
Water ICSE Class 9 | Water Chemistry | @sirtarunrupani
Hard and soft water | हार्ड एंड सॉफ्ट वाटर | Chemistry
Water Class 9 ICSE Chemistry | Selina Chapter 3 | Hygroscopic & Drying Agents, Hard & Soft water
Atoms and Molecules One Shot Class 9 | NCERT Science (Chemistry) Class 9th | Vedantu Class 9
A satisfying chemical reaction
Soft and Hard metal | Sodium vs Iron | Chap 7 Chemical Reactivity | Class 9