अस्थियों और दांतो में मौजू – McqOptions

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1.	अस्थियों और दांतो में मौजूद रासायनिक द्रव्य है -
A.	कैल्सियम फॉस्फेट
B.	कैल्सियम क्लोराइड
C.	कैल्सियम सल्फेट
D.	कैल्सियम बोरेट
Answer» B. कैल्सियम क्लोराइड

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