why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....

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How are vessel lined with glass or how are they coated?

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please send me Ongc Exam Previous Papers... To MU MAil Id: muyyaboina.kalyani@gmail.com

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Please describe tar, asphalt and bitumine

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Name some common problems associated with dense phase pneumatic conveying?

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In differential centrifugation of cells with diameter D in centimeter, the square of D is given by D x D = [18n ln (RF / RI) ] / [ (RP – RFF) Wt ] where n is the fluid viscosity (poise), RF is the final radius of rotation (cm), RI is the initial radius of rotation (cm), RP is cell density (g/ml), RFF is the fluid density (g/ml), W the square for the rotational velocity in (radians / s) (radians / s), t is the time required to sediment from RI to RF (s). Derive an equation for W as a function for D, n, RF, RI, RP, RFF and t, with the stated units above, in radian

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what is the difference between the heat exchanger and cooling tower???????????

10 Answers   BARC, Essar,

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What are angle of repose applications in the chemical industry?

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What are demand of crotonaldehyde99% in the worldand its international market ?

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Explain how can one determine if a particular solid can be fluidized as in a fluidized bed?

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which type of packing gives large interfacial area stacked or random?

2 Answers   NPCIL,

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How can hexavalent chromium be removed from aqueous waste streams?

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