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Explain about Phosphprous and its allotrpes White phosphorus - crystalline solid P 4 Red phosphorus - polymeric solid Scarlet phosphorus Violet phosphorus
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
In the reactant SO2 + O2 , then in the product it became SO3 , how?
When the value of azimuthal quantum number is 3, magnetic quantum number can have values: (1) + 1, 0, - 1 (2) + 2, + 1, 0, - 1, - 2 (3) - 3, - 2, - 1, - 0, + 1
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
Test of glucose - Biomolecules (a) While heated in a waterless test tube, it melts, turns brown and finally black, provoding a characteristic smell of burnt sugar. (b) While
Synthetic Detergents - Oils and Fats The synthetic Syndets or detergents are substitutes of soaps. They comprise cleansing power as good or better as compared to ordinary soaps
list the advantage and disadvantage teaching methods in chemistry
respiration. is it a exothermic or endothermic
Q. Show the Chemical Properties of Group 13? Elements of Group 13 are comparatively less reactive than the alkali and alkaline earth metals of Groups 1 and 2 However, the +acti
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