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Q. Show the Colorimetric analysis?
Colorimetric analysis depends on the variation of the colour with the change in concentration of the compound. Usually, absorption of light is measured at different known concentrations of a compound and a graph is plotted between the absorption and concentration. Absorption of an unknown concentration of the compound is then measured and its concentration evaluated from the graph. Thus, 1 ,lo-phenanthroline or 2.2'-bipyridyl which forms coloured complexes with iron, are often used for its determination in fruits, wines, leather and other biological materials. There are many such reagents which are fruitfully employed for the quantitative determination of various metal ions.
Calculate the pH of 0.100 L of a buffer solution that is 0.22M in HF and 0.53M in NaF
Q. Show various methods of blanching for the vegetables? To carry out various methods of blanching for the given vegetables. • carry out various methods of blanching, and
what category are Alkali-Metals on the periodic table?
find the rate constant of first order reaction if 75% of reaction is completed in 6.03 sec
in castner kelnar process sodium metal extract at cathode and calcium also why they do not mix if they extract at same chamber?
Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom: (1) F - (2) Oxygen atom (
2-chloro propane in ethanol at optimum temp .what is the product?
Purpose
what is the difference between acids, bases and alkalis?
Q. Effect of substituting emulsifying agents? i) Make A starch gel with ½ T (tablespoon) of cornstarch add ½ cup of water. Cool the gel. Take 2 T of this gel and add it to th
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