Question

. The number of g-atoms of nitrogen in its 7 gm is equal to number of g-atoms in
(A) 6 gm Mg
(B) 28 gm Fe
(C) 30 gm Ca
(D) 20​

Answer 1

. The number of g-atoms of nitrogen in its 7 gm is equal to number of g-atoms in

=>(A) 6 gm Mg