অম্ল, ক্ষারক ও লবণ
4 videos • 6 views • by Learn and teach through the video
1
Characteristics of Acid, Uses of Acid, Indicators, Litmus papers.
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2
Characteristic of base or alkali, Uses of bases or Alkali
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3
Creative question. Identification of salt, Uses of alkali
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4
Multiple choice questions (বহুনির্বাচনী অভীক্ষা)
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