Class 9 | Science | Acids,Bases and Salts | Lecture 1 | PR Teaching
PR Teaching (Semi)
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Class 9 | Science | Acids,Bases and Salts | Lecture 1 | PR Teaching
52 просмотра · 2 нед. назад
PR Teaching (Semi)
132 подписчика
52 просмотра · 2 нед. назад
•Ionic compounds: A recapitulation
•Arrhenius Theory of Acids and Bases.
