question_answer

dSfYl;e ukbVªsV vkSj iksVSf'k;e MkbØksesV ds lgh jklk;fud lw= Øe'k% gS&

A) \[C{{a}_{2}}{{(N{{O}_{3}})}_{2}}\And K{{(C{{r}_{2}}{{O}_{7}})}_{2}}\]

B) \[C{{a}_{2}}{{(N{{O}_{3}})}_{2}}\And {{K}_{2}}{{(C{{r}_{2}}{{O}_{7}})}_{2}}\]

C) \[C{{a}_{2}}{{(N{{O}_{3}})}_{2}}\And {{K}_{2}}C{{r}_{2}}{{O}_{7}}\]

D) \[CaN{{O}_{3}}\And {{K}_{2}}C{{r}_{2}}{{O}_{7}}\]