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Acids, Bases and Salts / अम्ल, क्षार एवं लवण in Chemistry
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सागरीय खर-पतवार (Sea Wee..
1.
सागरीय खर-पतवार (Sea Weeds) किसका महत्वपूर्ण स्त्रोत है?
A.
क्लोरीन
B.
लोहा
C.
आयोडीन
D.
ब्रोमीन
Answer» D. ब्रोमीन
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