Скачать или смотреть Model Activity Task Class 9 Physical Science Part 5 | Class 9 Activity Task Physical Science Part 5

Hello students,
In this video I have explained the answers of Physical science Model Activity Task-5 for class 9 given by WBBSE August 2021. This video will be helpful for students of class 9. Do watch the video till the end and write the answers in your copies and practice the problems by your own as I have shown you in my video.
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Thank you
Dr Titil Datta Samanta

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