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Q. Describe the Freezing - Techniques of preservation? This is a method of preservation using low temperature. The chief preservative effect of freezing lies in the inability o
Compounds with similar molecular formula but different properties are known as Isomers and the phenomenon is known as Isomerism.
There energy becomes lesser due to completely filled orbitals.
what are the principle underlying the extraction of metals
Ionic Radii The experimentally calculated anion-cation distances in highly ionic solids have to be interpreted on the assumption that each and every ion has a nearly fixed
A3p orbital has: (1) Two spherical nodes (2) Two non-spherical nodes (3) One spherical and one non-spherical nodes (4)One spherical and two non-spherical nodes A
how can you explain the fact that lanthinides are highly electopositive?
Experimental evidence for the existence of the atomic nucleus comes from: (1) Millikan's oil drop experiment (2) Atomic emission spectroscopy (3) The magnetic bending of
Q. Determine the Uniqueness of Carbon? Ans. Carbon forms a very large number of compounds--over 4,000,000. This is far more than the number of compounds of all other eleme
Why is that Li is the only element in group 1A that reacts with dinitrogen to a nitride
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