How to make FeSO4 Ferrous sulphate solution । Lab reagent preparation

[@balakiran336]

sir liquid Mercury to solid mercury with chemical please explain

[@labwaala]

Sorry I have never done

[@cookwithrd290]

👌👌sir or bhi vedios banaye

[@Shreesanuworld]

How to prepare acidified ferrous sulphate

[@adityamacwana4541]

sir please make it or lab reagent ...like h2s gas ...dilute sulphuric acid ..which is very helpful

[@venkatdayalarvapalli8344]

Very useful
Thank you 👍

[@labwaala]

Welcome 😊

[@tanu.choudhary]

Keep it up

[@labwaala]

Thanks for appreciation 😊

[@MP-se5pu]

Thank you sir ❤️🤗

[@hetkachhia6145]

Sir agar 30% feso4 solution banana ho to kya procedure rehta he?

[@labwaala]

Dissolve 30 g feso4 crystals in 100ml water and add 2-3ml conc H2s04 👍

[@hetkachhia6145]

Thank you sir👍

[@rajnidh]

Hi sir, Sir Phenol bottle in lab is frozen, what to do

[@labwaala]

Phenol 40 degree temp ke niche solid hi rehta hai melt kerne ke liye cap hata ke bottle warm water (water bath) me 2-3 hrs ke liye rakh dijiye

[@rajnidh]

@@labwaala Thanks sir for replying