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Q. Illustrate the physical property of matter?
A physical property of a substance is a quality that can be observed and measured without changing the composition of the substance. Words such as shiny, soft, hard, dull, brittle, flexible, heavy (in density) and light (in density) are used to describe physical properties.
how can one use programming in the the chemical field?
The nucleus of the element 21 E 45 contains: (1) 45 protons and 21 neutrons (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons (4) 24 protons and 21 n
Explain the mechanism of fluid film or hydrodynamic lubrication.
prove berzelius hypothesis
ORIGIN AND ABUNDANCE OF THE ELEMENTS The synthesis of elements needs nuclear reactions, of which the most important type is the fusion of two light nuclei to prepare one of
How do you account for the following: (a) All scandium salts are white. (At. No. of Sc = 21) (b) The first ionization energies of the 5d transition elements are higher than
laboratory preparation
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
assignment
When 6.85 grams of the Sr(OH)2.xH2O hydrate are dried in an oven, 3.13 grams of anhydrous Sr(OH)2 are formed.whats the value of x..please answer asap
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