General Science- Rasayan Udyog Me Kaun - Saa tejab " Mool Rasayan " Mana Jata Hai ?

Q.11497: रसायन उद्योग में कौन - सा तेजाब " मूल रसायन " माना जाता है ?
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रसायन उद्योग में कौन - सा तेजाब " मूल रसायन " माना जाता है ? - What is considered as "basic chemistry" in the chemical industry? - Rasayan Udyog Me Kaun - Saa tejab " Mool Rasayan " Mana Jata Hai ? General Science in hindi,   HNO₃ question answers in hindi pdf  H₂SO₄ questions in hindi, Know About H₂CO₃ General Science online test General Science notes in hindi quiz book    HCl