Sunday, December 3, 2023

Photo from Irs Ronyy Rahmann

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Re:

১/ KOH + H2SO4 K2SO4 + H2O On Mon, 7 Oct 2024, 6:57 pm PONCHOM, < ponchom849@gmail.com > wrote: ৫/ zin (s) + লঘু H2SO4(aq) → ZnSO4(a...