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Q. How can we obtain Pure alumina?
Pure alumina is obtained from bauxite ore. Powdered bauxite mineral is heated in a concentrated solution of sodium hydroxide under pressure when alumina and silica get dissolved:
Al203 + 2NaOH + 3H20---------------------------------> 2 NaAI(OH)4
Si02 + 2NaOH ------------------------------------------> Na2Si03 + H20
how is back titration graphs drawn
properties of s block elements (point wise)
Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH
H+
why is density of interstitial compounds less than that of parent metal ?
The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
why alkane are less rective then alkene?
The nucleus of the element 21 E 45 contains: (1) 45 protons and 21 neutrons (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons (4) 24 protons and 21 n
what is the applications of condensation reaction
#question:although CO is well known,why doesn''t SiO exist under normal conditions?
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