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Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
Uses of Citric Acid It finds make use in making lemonades, like an acidulant in food and soft drinks and makes the lemon sour, like a mordant in dyeing and calico printing. Fer
Q. Explain: Vulcanization of rubber is necessary. Ans. Importance of vulcanization of rubber: 1. Vulcanization makes cross-links between the long unsaturat
Be 2+ is isoelectronic with: (1) Mg 2+ (2) Na + (3) Li + (4) H + Ans: Li +
IR of nitro compound
A 15 m 3 tank contains steam at 10 bar and 300 o C. The system is then cooled until the temperature reaches 150 o C . Some of the steam condenses. a) How much heat was transf
jack prepared copper(11) sulphate by adding a metal oxide to the acid. jill prepared sodium chloride by acid/alkali reaction. name the metal oxide and acid jack would use to mak
Ninhydrin test- test of proteins Ninhydrin test : This test is specified by all proteins. While a protein is boiled along with a dilute solution of ninhydrin, a violet colour i
(a) Define the so-called 'colligative' properties, and write brief notes about each of them. (b) A system comprises two liquid components. State whether the system would be lik
what is the principle of EDTA titration?
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