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who formulated the laws of chemical combination?
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
NOBEL GASES With their closed-shell electron design the noble gas elements of group 18 were long regarded as chemically inert. However, in 1962 Bartlett pinpoint that the ioniza
energy of electron in hydrogen atom
positive analysis radical
suppose n mmol of solute A in Vaq ml of aqueous solution is extracted with Vorg ml of animmiscible organic solvent. at equilibrium n1 mmol of A will remain in the aqueous layer and
Preservatives: The preservatives avoid spoilage of food because of microbial expansion. The most common preservative employed is sodium benzoate; C 6 H 5 COON a It is metabol
Maximum electrons in a d -orbital are: (1) 2 (2) 10 (3) 6 (4) 14 Ans: 10
x gram of metal reacts with chlorine to form y gram of metal chloride.calculate equivalent mass of metal.
photochemical combination of hydrogen molecule and iodine molecule
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