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28:47
Class 7 General Science | Chap 7 | SOLUTIONS | full chapter with all topics lecture
0:34
Neutralisation reaction 🧪⚗️ #experiment #funfacts #acid #base #science #funscience
10:29
Introduction - Chapter 4 - Acids, Bases and Salts - Science Class 7th NCERT
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Litmus Test #chemistry
17:58
Acids Bases and Salts
3:20
Grade 7 Science #10: FACTORS OF SOLUBILITY
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Experiments with Copper Sulphate And Iron #experiment #science #Shorts
0:42
Reaction of Soap with hard water and soft water || scum formation
