Hii aspirants
let me clear your doubt.
Nacl has crystalline structure. In nacl each Na+ is surrounded by 6 Cl-and each Cl-and is surrounded by 6 Na+ and make crystalline structure. NaCl is a cubic unit cell and have face centered lattice.
I hope my answer will help you out
Good luck
Question : If a : b = c : d, then which of the following ratios is equal to a : c?
Option 1: a : d
Option 2: b : c
Option 3: a + d : b + c
Option 4: a + b : c + d
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