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Determine about the Silicon
Silicon has a unique ability to be oxidized into silica that produces a chemically stable, protective and insulating layer on the surface of water.
(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
Illustrate objectives of heat treatment processes Heat treatment is normally adopted for the following: (i) To refine grain structure (ii) To improve machinability (ii
atoms combine to form molecule because they tend to
what is chemistry
Electronegativity may be described as the power of an atom to attract electrons to itself in a chemical bond. It is the most important chemical parameter in calculating the type of
Determine the density of cesium chloride which crystallises in bcc type structure with the edge length 412.1 pm.The atomic masses of Cs & Cl are 133 & 35.5 respectively. Solution
Q. Write an account of soda lime glass and safety glasses. Ans. Soda-Lime Glass or soft glass: It is the ordinary glass in which Na 2 O is added to the melt to oxide on hea
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Predicting the feasibility of reaction and does not show the rate of chemical reaction
The energy required to dislodge electron from excited isolated H-atom, IE 1 = 13.6 eV is: (1) = 13.6eV (2) > 13.6eV (3) 3.4 eV
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