Match the defects given in Column I with the statements in given Column II.
Column IColumn IIA.simple vacancy defect1. Shown by non−ionic solids andincreases density of the solidB.Simple interstitial defect2. Shown by ionic solids and decreasesdensity of the solidc.Frenkel defect3.Shown by non−ionic solids and densityof the solid decreasesD.Schottky defect4. Shown by ionic solids and density ofthe solid remains the same
iv) Non-stoichiometric defects do not alter the density of the solid