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Q. Illustrate Nature of light as a particle? Ans. You have seen that when excited electrons return to the ground state they release packets of energy, called photons. Photons
State the function along with one example each of: (i) Antihistamines (ii) Antioxidants (b) What are hybrid propellants?
i want some 25 exampels of nomenculature of complex coordination compounds
why do transition metals form complex salts
why only phosphate is used for intrnal conditioning???
Q. Place these types of light in order from highest to lowest energy. Infrared light, ultraviolet, radio waves, microwaves, green light? Ans: Highest Energy radio waves
(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer
Q. How to evaluate mass number? An isotope of an element is recognized by its mass number which is the sum of the number of protons and neutrons in the atom's nucleus. Mas
what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
The frequency of an electromagnetic radiation is 2x 10 6 Hz. . What is its wavelength in metres : (Velocity of light = 3x10 8 ms -1 ) (1)6.0x 10 14
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