Acids, bases and salts (අම්ල භස්ම හා ලවණ) Video 02 (Grade 11)
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May 16, 2020 |
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I use this videos specially for my students who are in my class. And ill
give my explanations in more at the class too. If anyone have any
problem you are free to whatsapp me the problem or mail directly. Thank
you.
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