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19. Assertion : if tetrad axis is passed through the unit cell of NaCl and all ions are removed which are touching to tetrad Axis then the formula of NaCl becomes Na3Al4. Reason : only one Na+ is removed not the Cl-

Answer» 19. Assertion : if tetrad axis is passed through the unit cell of NaCl and all ions are removed which are touching to tetrad Axis then the formula of NaCl becomes Na3Al4. Reason : only one Na+ is removed not the Cl-


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