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Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr
What is the nature of chemical bonding between Cs and F: (1) Covalent (2) Ionic (3) Coordinate (4) Metallic Ans: Ionic
Q. How to produce Nitrogen on Industrial Level? Ans. Nitrogen is produced by the fractional distillation of liquid air. Air is cooled to liquefy it. The liquid is then all
what is atomic mass?
how many methods to remove color impurities in chemical compounds?
Acidic Nature of Phenol - Hydrocarbon The acidic nature of phenol is observed in the following: (1) Phenol changes blue litmus to red. (2) Highly electropositive metals r
Ask question #Minimum 100 words accepted Is there a sequential move from one to another, amongst law, theory, and a hypothesis? Describe controlled conditions to find a scientific
its important topics for class 11th
What would happened if I put sodium hydroxide instead of sodium bicarbonate into diethyl ether?
(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
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