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Which of the following is isoelectronic with carbon atom:
(1) Na+
(2) Al+3
(3) O2-
(4)N+
Ans: N+
Why p-nitro toluene is higher boiling point than o-nito toluene ? Ans) The term hydrogen bonding is used to define dipole-dipole attractive forces of this type. The proton invol
describe the comparative study of physical and chemical properties of p block elements.
AT 25 DEGREES CELCIUS,THE MOLAR IONIC CONDUCTIVITIES OF CALCIUM IONS,MAGNESIUM IONS AND ZINC IONS 3.87,5.01 AND 7.35 MILISECONDS SQUARE METRE PER MOLE RESPECTIVELY.CALCULATE THEIR
If lipids are mixed with water, what aggregates can they form? Explain two characteristic superstructures which are commonly found in biological systems, containing our food. How i
write the expression for the expansion work?
In the chemical reaction, Al(s) + CuCl2(aq) --> Cu(s) + AlCl3(aq), why did the Copper turn green after being left for a day?
Q. Explain about Neutral and Amphoteric oxides? Neutral oxides have neither acidic nor basic properties and when dissolved in water, they give neutral solutions, e.g., CO, N
Common or trivial names of some organic compounds Compound Common name Compound Common name CH 4 Methane
What is periodic property
determination of proteins in flour sample
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