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How do you account for the following:
(a) All scandium salts are white. (At. No. of Sc = 21)
(b) The first ionization energies of the 5d transition elements are higher than those of the 3d and 4d transition elements in own groups.
Explain heat of Combustion? Ans) The amount of heat liberated when single mole of any substance is completely burnt in oxygen is known as heat of combustion H is negative for he
Q. Define Oxidation state of an atom? Oxidation State: Oxidation state of an atom is defined as an apparent or formal charge on that particular atom in a molecule. In majorit
what are the applications of borazole
Q. How to produce Nitrogen on Industrial Level? Ans. Nitrogen is produced by the fractional distillation of liquid air. Air is cooled to liquefy it. The liquid is then all
primary and secondary cells
COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN
what are comis salts .
how does solvation of alkali ions occur
Q. Name the harmful microorganisms found in food? The harmful microorganisms found in food are Salmonella species, E. coli, A. flavus, C. botulimum and S. aureus.
NaCl
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