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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.
Properties of Nitrophenols: O-Nitrophenol is a yellow in colour crystalline compound, whereas m- and p-isomers are colourless crystalline compounds. Isomer orth
which compound has sharp, unpleasant and pungent smell?
lanthanide elements names
A mixture of air and methanol vapour is fed to a converter in which the following reactions take place: CH OH O HCHO H O 3 2 2 2 1 + ® + 3 2 CH OH ® HCHO + H In addit
Amines are soluble in organic solvents whereas ammonium salts are not. Is it true? Ans) yes because amine is contain R-NH2 group where R is carbon groups so they are in polar nat
Carbon an essential constituent of all organic compounds The word organic means to organs of both plants and animals and organic chemistry is the study of the products which or
Chemical properties of benzene Because of the existence of Π - electron clouds above and below the plane benzene ring, the ring works as a source of electrons and is simply att
radioactive decay order
a dot placed inside a lamp symbol shows
Q. What is trial and error method? Trial and error method is the simplest methodology in product development. Only one ingredient in the formulation is changed at a time and it
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