filtration, Chemistry

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why is filtration in soil and water a slow process and explain the colour change in the filtrate

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Bohr''s principle the relation between principle quantum no, According to B...

According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n    (2) r ∞ n 2       (3) ∞1/n  (4) r∞ 1/ n 2 Ans:  r

Criteria of purity of organic compounds, Criteria of purity of organic comp...

Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re

Find the ph value, 50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a ...

50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(

The maximum number of electrons & azimuthal quantum no., For azimuthal quan...

For azimuthal quantum number l= 3  , the maximum number of electrons will be: (1) 2        (2) 6        (3) 0        (4) 14 Ans:  14

Hydrides.., How to write conclusion for this topic hydrides

How to write conclusion for this topic hydrides

Acid radical., tests for mixture of acid radicals

tests for mixture of acid radicals

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Explain dielectric loss, Dielectric loss: These losses occur because of el...

Dielectric loss: These losses occur because of electrons hopping from single lattice site to another in transition metal oxides.

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What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky

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