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how many elements are discovered
Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
descibe mucopolysaccharide and its biological importance
fajan rule state that large size highly negative charged ion form covalent bond
Most of the transition metal do not displace hydrogen from dilut acid. why? Ans) The activity series of transition metals is less than that of hydrogen so they can not displace h
Hell Volhard-zelinsky reaction In presence of Red P and diffused light or Hell Volhard-zelinsky reaction Carboxylic acid comprising an α-hydrogen react with Cl 2 or Br 2 i
give best example of ammalgam eletrod
Q. Illustrate Law of Equilibrium and Equilibrium Constants? Ans. The general equation for a reversible reaction is given by aA + bB -> cC + dD The law of equilibrium
It is Hydrated Potassium Aluminium Sulfate [ KAl(SO4)2·12H2O ].
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