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प्रश्न
Match items in Column – I with the items of Column – II and assign the correct code.
| Column – I | Column – II |
| A. Borazole | 1. B(OH)3 |
| B. Boric acid | 2. B3N3H6 |
| C. Quartz | 3. Na2[B4O5(OH)4]8H2O |
| D. Borax | 4. SiO2 |
पर्याय
A - 2, B - 1, C - 4, D - 3
A - 1, B - 2, C - 4, D - 3
A - 1, B - 2, C - 3, D - 4
None of these
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उत्तर
A - 2, B - 1, C - 4, D - 3
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