General Science- Ati Mulayam Khanij " talc " Mukhyatah Hai ?

Q.11309: अति मुलायम खनिज " टाल्क " मुख्यतः है ?
A
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C
D
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अति मुलायम खनिज " टाल्क " मुख्यतः है ? - Is "soft" very soft minerals? - Ati Mulayam Khanij " talc " Mukhyatah Hai ? General Science in hindi,   Sodium silicate question answers in hindi pdf  Sodium Phosphate questions in hindi, Know About Magneese silicate General Science online test General Science notes in hindi quiz book    Magnesium silicate