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explain crystallization as a method of separating mixture
THERMOCHEMISTRY The enthalpy changes associated with reaction are dependent upon the temperature. They are also dependent upon the amounts, and the pressure and states of the r
Uses of Benzaldehyde - Aldehydes and Ketones Benzaldehyde is used, (a) In perfumery (d) In manufacture of dyes (c) In preparation of benzoic acid, cinnamic acid, cinna
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
Formaldehyde: Formaldehyde is the initial member of the aldehyde sequence. It is lie in green leaves of plants where its presence is supposed to be due to the reaction of with w
conclusion on the topic caustic soda
give 2 examples of compounds that are bonded in the following ways (a) Hydrogen bonding (b)Vander waal forces (c) Co-ordinate covalent bonding. Explain with the aid of diagram how
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
Example for rajan rule
define every property of each element
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