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Describe the following observations:
a. Lyophilic colloid is more stable than Lyophobic colloid.
b. Coagulation takes place when sodium chloride solution is added to a colloidal solution of ferric hydroxide.
c. Why Sky appears blue in colour.
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
what is radioanalytical method
The α -particle scattering experiment of Rutherford concluded that: (1) The nucleus is made up of protons and neutrons (2) The number of electrons is exactly equal to number
why HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?
Processing of Cereals Owing to the low moisture content, cereals and pulses are relatively stable during storage; and processing is not so much for preservation. However, proc
when H+ is removed from any compound it forms conjugate acid. the addition of H+ ion gives conjugate base.
Bond energy of covalent O-H bond in water is: (1) Greater than bond energy of H bond (2) Equal to bond energy of H bond (3) Less than bond energy of H bond (4) None o
Classify each reaction and give the name of all the chemical formula involved for each number. 1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g) 2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2
In order to find the d-orbital splitting in a square planar complex, it is easier to start with an octahedral compound where splitting patterns are known and then imagine slowly m
ionization energy vary in 3d seris of d-block elements,how and why
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