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Illustrate the following observations:
(a) Cottrell's smoke precipitator is fitted at the mouth of the chimney used in factories.
(b) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution.
(c) Physical adsorption is multilayered, while chemisorptions is monolayered.
Application of catalyst in industries
standard estimation protocol
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
what is indicators
The number of electrons in the nucleus of C 12 is (1) 6 (2) 12 (3)0 (4)3 Ans: 0
applications of photochemistry
The energy of an electron revolving in n th Bohr's orbit of an atom is given by the expression; (1) E n = 2Π 2 me 2 z 2 /n 2 h 2 (2) E n = 2Π 2 m
Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f
give three examples with good details
WHAT ARE THE LIMITATION OF THROPE REACTION?
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