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Indicate the nature of bonding in CCl4  and  CaH2:

(1) Covalent in Ccl4   and electrovalent in  Cah2

(2) Electrovalent in both CCl  and CaH2

(3) Covalent in both CCl4  and  CaH2

(4) Electrovalent in  CCl4   and covalent in  CaH2.

Ans:  Covalent in Ccl  and electrovalent in  Cah2

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