Why Dissolving and then reforming crystals can improve their purity?

2 Answers   Orbit Corporation,

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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?

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i am serching new job please help me

1 Answers   IPCA,

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What is the purpose of a 2.4 DNP test?

6 Answers  

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Which of these bonds has the weakest bond energy? hydrogen bond electrovalent bond covalent bond metallic bond

2 Answers   College School Exams Tests, National Open University of Nigeria NOUN,

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why xylene use in saturated polyester resin

1 Answers  

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How many degrees of unsaturation are there in benzene?

2 Answers  

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What is conjugated system?

3 Answers  

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glycol is alcohol

2 Answers  

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How will you determine OH of organic compound ?

1 Answers   Gharda Chemicals Limited,

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How many different types of carbon signals would be observed by 13C-NMR?

4 Answers  

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Purified water Microbial load limits as per USP..........?

1 Answers  

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