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Uses of pyrogallol
(a) As a developer in photography.
(b) As a hair dye.
(c) In medicine of skin diseases like eczema.
(d) For absorbing none reacted oxygen in gas analysis.
ELECTROCHEMISTRY AND ION CONCENTRATION Activity dependence of cell voltage: Measurement of galvanic cell potentials away from the standard state provides a convenient me
Classification of Carboxylic acids (a) Carboxylic acids are categorized as dicarboxylic acids, tricarboxylic acids and monocarboxylic acids etc. depending upon the number of -
Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
This of the following is an electrovalent linkage: (1) CH 4 (2) MgCl 2 (3) SiCl 4 (4) BF 3 Ans: MgCl
about aklene
The high melting point and insolubility in organic solvents of sulphanilic acid are due to its ...... structure: (1) Simple ionic (2) Bipolar
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
Which processes is used to harden a steel? Quenching process is used to harden the steel
a metal forms 2 oxides. the higher oxide has 80% metal. 0.72g of lower oxide gave 0.8g of higher oxide when oxidised. show that law of multiple proportion is valid?
I have a very difficult chemistry online assignment due in and I need help.
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