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MCQ – Section BACJC/PRELIM 2009/P1/Q391 Which of the following reactions will give identical observation?1 Bromine and ethene2 Bromine and ethane in the presence of uv light3 Bromine and benzene in the presence of halogen carrierACJC/PRELIM 2009/P1/Q402 Compound X has molecular formula C 3 H 4 O 4 .It can react with HCl to give C 3 H 3 O 3 Cl.One mole of X reacts with sodium metal to give one mole of H 2 gas.Which of the following can be X?1 CH 2 (OH)COCOOH2 CHOCH(OH)COOH3 CH 2 (COOH) 2AJC/PRELIM 2009/P1/Q3737 Dopamine is a neurotransmitter found in many animals, including vertebratesand invertebrates. Which of the following statements are correct?HOHOCO 2 HCH 2 CHNH 2dopamine1 1 mole of dopamine reacts with 3 moles of acyl chloride2 1 mole of dopamine reacts with 1 mole of HBr.3 1 mole of dopamine reacts with 3 moles of Na 2 CO 3© SAJC Chemistry Unit 2009 90