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Q. What are ion selective membranes used in electro dialysis of brackish water. Give examples.
Ans. Electro dialysis for brackish water: The ion selective membranes are used for compartmentalizing in electro dialysis. An ion selective membrane has permeability for only one kind of ions with specific range. A cations selective membrane embedded with negatively charge functional group such as RSO-3 RCOO- permits positively charged ions to pass through it while an anion selective membrane embedded with positively charge functional group such as R4N+ is permeable only to anions. The membranes are generally polystyrene based polymers which are thin and rigid.
what are the conditions of double indicator titrations??
Making a model hydraulic elevator Some freight and passenger elevators are increased by water pressure. You can make a model of one of these with an automobile hand pump. Conne
consider the reaction: Mg(s) +2H _Mg(aq)+H2(g).Calculate the standard electrode potential.
Trans -Isomer of a substance is more stable than Cis-Isomer.
Q. Show Equilibrium expression for water? Ans. The equilibrium expression for water is equal to a constant, Kw. This constant is called the ion product of water and is equ
what is chemical cobination
In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
Define the General Arrangement of Physical Elements of a Galvanic cell? The general arrangement of the physical elements of a galvanic cell is therefore Terminal - electron
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