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explain main reason for boiler corrosion ?
Q. Calculate Enthalpy Changes in system? Ans. It turns out that you can add reactions the same way you add algebraic equations. The enthalpy of the resulting reaction is the su
Every substance poses exact amount of energy known as internal energy or intrinsic energy (E).
alkali metals belong to s-block in the periodic table ,why?
The de-Broglie wavelength associated with a particle of mass 10 -6 kg moving with a velocity of 10 ms -1 , is: (1) 6.63 x 10 -22 m (2) 6.63 x 10 -29 m
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
Nitrogen has the electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 y , 2 p 1 z and not 1s 2 , 2s 2 , 2p 2 x , 2p 1 y , 2 p 0 z which is determined by: (1) Aufb
In neutral atom, which particles are equivalent: (1) P + e + (2 ) e - e + (3) e -, P + (
lithium and beryllium markedly differ from other members of their respective groups.
Why is ammonium (NH4) seperately placed in zeroth group in detection of basic radical in qualitative analyisis?
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