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Organic Chemistry (342) - Inorganic Chemistry (123)
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In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
2284why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?
1 74472day science says that clouds r formed due to sea(more than 90% sea water in cloud). but when rain starts,,,,the rainy water is sweet while sea (salty)water is salty.....how sea water is converted into sweet water?
1 4220
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?
Define oxidation potential and reduction potential? : Electrochemistry Corrosion
What is the accepted microbial load in APIs as per USP.........?
a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?
Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde
what is the extinction coefficient for Indomethacin or at 319nm wave length.
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
why do hard water never produce foam when a soap is dissolved?
CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?
Why do we use vaccum in Loss on drying test?
Why is mercuric chloride added?
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
in which situation ion pair agent require to use?
What is aggregate and fragments in SEC?
