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Q. Show the Extraction of Oxygen?
Oxygen is separated from air on a large scale by the fractional distillation of liquid air. It is obtained as a by-product along with hydrogen during electrolysis of water for the manufacture of heavy water ordinary water H2Oelectolyses faster with the result that residual water is richer in D2O. In laboratory O2can be prepared by thermal decomposition of KCIO3 in presence of MnO2 as a catalyst:
determine the no of atom in 4.5g of k
Q. Occurrence of group 13 element? Both boron and aluminium have a high affinity for oxygen, so neither of them is found native. Boron occurs principally in the earth's crust a
Nitric oxide becomes brown when released into the air
similarities between the latter actinides and latter lanthanides
what are chemical properties of group 3 elements of transition group of metals
which among the following species have the same no of electrons in its outermost as well as penultimate shell
Lipids Lipids are constituents of plants and tissues that are insoluble in water although soluble in organic solvents like ether, carbon tetrachloride, chloroform, or benzene.
For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t
DISCUSS THE WEAKNESSES OF THE VALENCE BOND THEORY AND CRYSTAL FIELD THEORY
1. Discuss how such discoveries, technological advancement and breakthroughs were achieved and the person behind this advancement, it can be local or international. 2. List the ma
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