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Which one is the strongest bond:
(1) Br- F
(2) F-E
(3) Cl-F
(4) Br- Cl
Ans: Br- F
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The ratio between the neutrons in C and Si with respect to atomic masses 12 and 28 is: (1) 2 : 3 (2) 3 : 2 (3) 3 : 7 (4) 7 : 3 Ans: 3 : 7
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