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Q. How to calculate atomic mass of an element? Copper survive as a mixture of two isotopes. The lighter isotope (Cu-63) amid 29 protons and 34 neutrons makes up 69.17% of coppe
Q. Show the Ionization of Acids in Water? Ans. Like ionic compounds, acids are electrolytes . When dissolved in water, acids break down into ions. Ionization refers to
It is stated that Bohrs theory is applicable to hydrogen like ions.why? Ans) It is not stated in bohr''s theory but it is a drawback of his theory. The reason for this is
Q. Evaluate the gold number of A? The coagulation of 100 mL of colloidal sol. is completely prevented by adding 0.25g of a protective colloid 'A' to it before adding 1 mL of Na
Perfumes: Perfumes are the matters, utilized to provide fragrance. Several requirements must be fulfilled to make use of a good perfume and any material, that just offers good
Q. Concepts of valence bond theory? The developments can also be cited as a typical example of the manner in which scientific theories grow and are refined in any particular fi
Types of organic reactions It is suitable to simplify the several reactions of the a variety of classes of organic compound into four types, Substitution reactions,
Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
WITH THE HELP OF A GRAPH, STATE THE DEVIATION OF MOLAR CONDUCTIVITY OF STRONG AGAINST WEEK ELECTROLYTE.
WHAT IS THE CHEMICAL EQUATION FOR LITHIUM SOLUTION WHEN AMMONIUM FLUORIDE AND AMMONIA ARE ADDED
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