A) \[Ca{{C}_{2}}{{O}_{4}}\]
B) \[A{{l}_{2}}{{(C{{O}_{3}})}_{3}}\]
C) \[Ca{{H}_{2}}\]
D) \[SiC\]
Correct Answer: D
Solution :
Carborundum is silicon carbide (SiC) \[Ca{{C}_{2}}{{O}_{4}}\]is calcium oxalate \[A{{l}_{2}}{{(C{{O}_{3}})}_{3}}\]is aluminium carbonate \[Ca{{H}_{2}}\]is calcium hydride
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