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Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
Q. Explain Dalton’s atomic theory? The atomic theory In 1808 John Dalton projected a theory to explain the laws of conservation of matter definite proportions and multiple prop
Electrovalent bond formation depends on: (1) Ionization energy (2) Electron affinity (3) Lattice energy (4) All the three above Ans: All the three above
H2,Li2,B2 each has bond order equal to 1 , the order of stability is
Difference between DNA and RNA DNA RNA DNA has a double helix structure. RNA comprises a single helix structure.
how carbon tetra-valency lead to stability?
Chain growth or addition polymerisation It includes a series of reaction each of which consumes a reactive particle and generates another similar one. The reactive molecule m
Which one of the following is not the characteristic of Planck's quantum theory of radiation: (1)The energy is not absorbed or emitted in whole number or multiple of quantum
The number of nodal planes in a Px is: (1) One (2) Two (3) Three (4) Zero Ans: One
in Cr atom the number of electron having n+m=3
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