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| स्तंभ $(A)$ | स्तंभ $(B)$ |
| $(a)$ $BeO$ | $(p)$ उभयधर्मी |
| $(b)$ $MgCO_3 \cdot CaCO_3$ | $(q)$ डोलोमाइट |
| $(c)$ $BeCl_2$ | $(r)$ सहसंयोजक |
| $(d)$ $Al(OH)_3$ | $(s)$ क्षारीय |
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