A) Covalent in \[CC{{l}_{4}}\] and electrovalent in \[Ca{{H}_{2}}\]
B) Electrovalent in both \[CC{{l}_{4}}\] and \[Ca{{H}_{2}}\]
C) Covalent in both \[CC{{l}_{4}}\]and \[Ca{{H}_{2}}\]
D) Electrovalent in \[CC{{l}_{4}}\] and covalent in \[Ca{{H}_{2}}\]
Correct Answer: A
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