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Q. Uses of selenium?
Uses of selenium include photocopying process of xerography, decobrisation of glasses and as a catalytic agent particularly in the isomerisation of certain petroleum products. Selenium dioxide is used as an oxidising agent in organic reactions.
Calculate the combustion energies for the burning of 1 mol of propane and butane. It can be supposed that all reactants and products are obtained under standard conditions.
C3N4
An 80°C aqueous solution containing 58 wt% sodium nitrate (NaNO 3 ) is fed to a combination crystallization-settling unit operating at 25°C. The unit separates crystals from the re
Name the building blocks of lecithin. Show the head and tail structures of both lipids in the structure above. Lipids are substances that are soluble in organic solvent
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
Atomic fluorescence spectrometry: In atomic fluorescence spectrometry, the gaseous atoms acquired through flame or electrothermal atomisation are excited to higher energy leve
Compute the percent ionic character of the interatomic bonds for the following compound: TiO2.
Q. Explain Boyles law with volume and pressure graph? Ans. Boyle's law demonstrates the relationship between the volume (V) and pressure (P) of a gas. This law shows that th
0.265g of an organic compound produced on evaporation 102cm^3 of vapour at 373k and 775mmHg.percentage composition of the constituents elements are 92.24 % of carbon and 7.76% of h
Chemical formula for calcium pyrophosphate is ca 2, P 2 O 1. The formula for ferric pyrophosphate will be: (1) Fe 3 (P 2 O 1 ) 3
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