Why carotene exhibits colour nature?

2 Answers   IIT,

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Actinium is part of the actinide series. Could you explain the significance of this series and its placement in the periodic table?

0 Answers  

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Barc in chemistry

0 Answers  

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hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.i want sample RESUME,OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

0 Answers  

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how to prepare for the exam of ongc please give some idea

8 Answers   AZ, Emcure, ONGC,

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why we not use caffeine at 205nm for hplc calibration?

0 Answers   Alkem Labs,

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Pure (S)-2-butanol has a specific rotation of +13.52 degrees. A sample of 2-butanol prepared in the lab and purified by distillation has a calculated specific rotation of +6.76 degrees. What can you conclude about the composition?

1 Answers  

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write short note on stero electronic factor, steric control factor and product control factor

0 Answers  

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Explain the process of obtaining Protactinium from its primary sources and its purification methods.

0 Answers  

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What is the hybridization at nitrogen?

0 Answers  

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Explain about nucleophilic, electrophilic and free radical substitutions?

1 Answers   Bombay Tablet,

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different between LOD and M/C

4 Answers  

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