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Q.11373: बोरेक्स लवण का रासायनिक सूत्र है ?
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बोरेक्स लवण का रासायनिक सूत्र है ? - What is the chemical formula of borax salts? - borex Lawan Ka Rasayanik Sutra Hai ? General Science in hindi,   Na₂SO₄ - 10H₂O question answers in hindi pdf  Na₂CO₃ - 10H₂O questions in hindi, Know About Na₂B₄O₇ - 10H₂O General Science online test General Science notes in hindi quiz book    NaHCO₃