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Nitrogenous base:
These are heterocyclic organic compound that comprise two or more nitrogen atoms in ring skeleton. These are called bases as the lone pairs of electrons on the nitrogen atoms make them like a Lewis bases.
how many methods to remove color impurities in chemical compounds?
if one ton contains 2000 pounds and the coal is 2% by mass sulfur, what is the mass sulfur in one ton of coal? how many grams of sulfur is this? how many moles of sulfur is this?
The angular momentum of an electron depends on: (1) Principal quantum number (2) Azimuthal quantum number (3) Magnetic quantum number (4) All of these Ans: Azimutha
For sodium atom the number of electrons with m=0 will be: (1) 2 (2) 27 (3) 9 (4) 8 Ans: 7
Q. Explain about Hydrogen Sulphide? Hydrogen sulphide is the only thermodynamically stable sulphane. It is a foul smelling and poisonous gas. H 2 S is prepared in the labora
How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?
Which set of quantum numbers for an electron of an atom is not possible: (1) n=1 l=0, m=-0, s= +1/2 (2) n=1, l=1, m=-1, s= +1/2 (3) n=1, l=0, m=0, s= -1/2 (4) n=
Q. Show the combination of taste and aroma? Flavour is composed of two subcategories, which are taste and odour. Flavour of a food is judged on the basis of the sensory messag
Preparation of benzaldehyde by etard''s reaction
what is meant by 100% current efficiency in electrogravimetry
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