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Solution


Q.

Choose the correct statement:      [2022]
1 Both diamond and graphite gray are used as dry lubricants.  
2 Diamond and graphite have two polgct dimension afof 14network.  
3 Diamond is covalent and graphite is ionic.  
4 Diamond is sp³ hybridised and graphite is sp² hybridized.  

Ans.

 (4)