Ellingham diagram in hindi for JEE /NEET - Videos
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Please sir upload mole concept lecture
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plz upload all videos of this chapter (metallurgy) plz.
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sir plzz upload solution by ps sir .... and thanks sir..
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Sir, why have you removed atomic structure? Will you add it again?
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ya please upload mole concept and atomic structure.....plz sir...................
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Solid state ps ka plz??????????????
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sir please also unhide gaseous state
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Sir please upload full lecture of mole concept
kis chapter ka hai