most previous year question chemistry class 12 lesson 1 solid state 1. number of Bravia lattice in cubic crystal is a. 3 b .1 c .4 d.14 ans .A 2. an octahedral void is a surrounded by which of the following numbers of a spheres a) 4 b) 6 c)8 d)12 ans.6 3. which of […]
