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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
Explain heavy water? Ans) Isotopes of H 2 O, D 2 O
can all the total heat content available betotally converted to work done?
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
what are the demerits of Bohr''s atomic model?
Analysis of oils and fats - Acid value It points out the amount of free acid present in the oil or fat. It is described as the number of milligrams of KOH needed to neutralize
chemical reactions that takes place during salt analysis for class 12
Favourable conditions for electrovalency are: (1) Low charge on ions, large cation, small anion (2) High charge on ions, small cation, large anion (3)High charge on ions,
Write the alkali metals in increasing order acc to ther atomic masses
DISCUSS THE THEORY OF SOFT AND HARD ACID AND BASE
how does the steric effect affecting the formation of end product of organic compuond
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