What is the chemical name of Silica gel?

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Define "good" cooling tower water?

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How can metals be removed from aqueous waste streams?

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wt is inhand salary in hpcl as a officer in research and development?????

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Explain the strategies acquired to cure tube vibration and exchangers in a shell?

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Mention some of the specialized grinding and crushing methods.

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i am going to appear vedanta written test so plz can any body suggest me for this on madhu.5393@gmail.com

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BIOCHEMICAL ENGINEERING INSTRUMENTATION - EXAMPLE 29.6 : In infrared spectrum, one of the factors affecting peak location is the mass of the atoms. The stretching frequency of a bond connected to a lighter atom will be greater than the same bond connected to a heavier atom. (a) For halogens like florine (F), chlorine (Cl), bromine (Br), iodine (I) and astatine (At), what is their IUPAC group number? Hint : The proton numbers for F, Cl, Br, I and At are 9, 17, 35, 53 and 85 respectively. (b) For the compounds of H-F, H-Cl, H-Br, H-I and H-At, which one has the lowest stretching frequency and which one has the highest stretching frequency? State the reasons.

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what are the reaction between sodium meta bi sulphate and chlorine?

1 Answers   Dalkia,

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whats the allowed tolerance of pipe to pipe butt joint mismatching

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how to find a liquid flow's direction in a closed pipe by merely seeing it(without pressure gauges)...

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What are the specialized grinding methods?

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