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If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Dessicants(drying agents) can often be regenerated by heating. A dessicant that is commonly regenerated is CaSO 4 .2H 2 O:
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What are the advantaged and disadvantages of a double beam spectrophotometer
What is Standard deviation? Standard deviation tells about the widely spread out of the measured analytical data points. Highly precised measurements are less standard deviation.
Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a
what is flame coloration?
Chloroform or trichloromethane, CHCl 3 It is a significant trihalogen derivative of methane. It was given by Liebig in year 1831 and its name chloroform was proposed by Dumas
A tank having 100 kg of a 60% brine (60% salt) is ?lled with a 10% salt solution at the rate of 10 kg/min and 78°F.Solution is detached from the tank at the rate of 15 kg/min. Fin
Q. How to Determine Electron Affinity? Ans. Electron affinity is the measure of an atom's tendency to form a negative ion. Electron affinity can be measured by the amou
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