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sodium prepration
Q. Describe Peroxomonosulphuric Acid? It is also known as permonosulphuric acid. It is obtained by the action of chlorosulphuric acid on cold anhydrous hydrogen peroxide :
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
a) Describe why not all of the organic matter in wastewater is converted to carbon dioxide and water in biological treatment. b) What is the importance of the BOD in the charact
Explaination of general characteristic properties
determination of proteins in flour sample
how vulcanisation does changes the chareter of natural rubber
Explain with appropriate diagrams the lever rule and Tie-line rule. Compositions of two coexisting phases of a binary system are given by tie-line rule. For overall composition
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
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