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All India Engineering / Architecture Entrance Examination (AIEEE) CBSE Guess > AIEEE > AIEEE Papers > 2007 > Chemistry AIEEE 2007 Chemistry Q. 8. The secondary structure of protein refers to:
Sol: Secondary structure of a protein refers to the fixed configuration of the polypeptide skeleton. Q. 9. Which of the following reactions will yield 2,2−dibromopropane? Sol: Correct choice: (1) Q. 10. In the chemical reaction, Sol: Q. 11. The reaction of toluene with Cl2 in presence of FeCl3 gives predominantly:
Sol: The reaction proceeds by electrophilic substitution mechanism.
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