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Uses of Benzoic Acid - carboxylic acids (i) Benzoic acid is used in medicine in the form of its salts particularly as urinary antiseptic. (ii) Benzoic acid is used as sodium
what size is an atom
in an electrophoresis experiment , spherical colloidal particles of diameter 0.5 um are disperside in a solution of 0.10mol per litter nacl , if the particles are observed to cover
Express the relation among the half-life period of a reactant and its initial concentration if the reaction involved is of second order. How are formalin and trioxane related to
Q. What are the Chemical Properties of Ammonia? Ans. Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor. 4NH 3 (g) +
Q. What are the physical properties of solids? Ans. Most solids eventually melt when heated. This is because the particles gain enough energy to exceed the attractive for
Electrons and nuclei The familiar planetary model of the atom was proposed by Rutherford in 1912 following experiments by Geiger and Marsden showing that all the mass of an
a bacterial culture isolsted from sewaga produces36.4cm of methane gas at 27C and 760mmHg this gas occupies 33124cm at 0c and same pressure explainvolume temperature relation ship
It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
Hydrogen
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