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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.
What is differences by alkali metal and alkaine earth metal which provided colour
advantages and dis advantages?
its principle
How are standard solutions and titrations prepared in industry compared to school
Explain the properties of ionic bonding
various concepts of acid and base
Question: (i) Differentiate between ionic, metallic, covalent and dipole-dipole bonds. Provide examples in each case. (ii) With regard to electronic con?guration, what do a
Originally, chewing gum was made from the latex sap of the sapodilla tree (native to Central America). This sap was known as chicle. Other natural gum bases may be used, such as je
A tank having 100 kg of a 60% brine (60% salt) is ?lled with a 10% salt solution at the rate of 10 kg/min and 78°F.Solution is detached from the tank at the rate of 15 kg/min. Fin
Write the structures of monomers used in the preparation of: a. Teflon b. PMMA
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