हिंदी

Identify a mineral for the major source of boron from the following list? -

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प्रश्न

Identify a mineral for the major source of boron from the following list?

विकल्प

  • Borax

  • Bauxite

  • Cryolite

  • Feldspars

MCQ

उत्तर

Borax

Explanation:

Borax Na2B4O7.10H2O
Bauxite Al2O3.2H2O
Cryolite Na3AlF6
Feldspar KA1Si3O8
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