General Science- Jal Ka Rasayanik Sutra Hai ?

Q.11158: जल का रासायनिक सूत्र है ?
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जल का रासायनिक सूत्र है ? - What is the chemical formula of water? - Jal Ka Rasayanik Sutra Hai ? General Science in hindi,   CO₂ question answers in hindi pdf  H₂O questions in hindi, Know About O₂ General Science online test General Science notes in hindi quiz book    CH₂