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Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
what is p block element
In the reactant SO2 + O2 , then in the product it became SO3 , how?
what are causes of chemical bonding?
how carbon tetra-valency lead to stability?
The total number of valence electrons in 4.2 gm N-3 of ion is ( NA is the Avogadro''s number): (1) 1.6NA
Iso-electronic species is: (1) F - ,O -2 (2) F - , O (3) F - , O + (4) F - , O +2 Ans: F - ,O- 2
Permanganate titrations - Oxidation reduction titrations These are titrations where potassium permanganate is utilized as an oxidising agent in acidic medium. The medium is org
what is law of defenit propotion
how periodic table is helpful in chemistry give two example
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