Notes
अल्प तत्व ..
अल्प तत्व –(1) जिंक
(2) लौह
(3) फ्लोरीन
(4) आयोडीन
(5) ताँबा
(6) मैंगनीज
(7) कोबाल्ट
(8) सेलीनियम
(9) क्रोमियम
(10) मोलिब्डेनम
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