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