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Correct match is :A. Ordinary form of borax : `Na_(2)B_(4)O_(7).5H_(2)O`B. Colemanite : `Ca_(2)B_(6)O_(11). 5H_(2)O`C. Beronarocalcite : `2Mg_(3) B_(8)O_(15). MgCl_(2)`D. Octahedral form of borax : `Na_(2)B_(4)O_(7). 10 H_(2) O`. |
| Answer» Correct Answer - B | |