General Science- calamine Kis Dhatu Ka Ayaska Hai ?

Q.10918: कैलामीन किस धातु का अयस्क है ?
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कैलामीन किस धातु का अयस्क है ? - Kalamin is the ore of which metal? - calamine Kis Dhatu Ka Ayaska Hai ? General Science in hindi,   Loha question answers in hindi pdf  tamba questions in hindi, Know About Jasta General Science online test General Science notes in hindi quiz book    Sona