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What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
the diagnal relationship in periodic table
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
Ask quThe maximum number of electrons which each sub-shell can occupy is 2(2l+1)
write the expression for the expansion work?
stability of cr3+ions from fe3+ions in aqueous medium
Which orbital is dumb-bell shaped : (1) s -orbital (2) p -orbital (3) d -orbital (4)f -orbital Ans: p -orbital
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de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
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