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Explain objectives of annealing? Discuss the various annealing processes? Is spheroidising different from annealing? Illustrate.
A slow cooling rate from eutectoid temperature yields course pearlite - a mixture of comparatively coarse crystals of ferrite and cementite. Such a slow cooling is known as annealing. Here, sufficient time is available for carbon in the austenite to diffuse and redistribute itself to 0.02% in ferrite and 6.67% in cementite. During annealing, effective transformation temperature is low, where rate of growth is rapid compared to rate of nucleation. Hence, spheroidising is obviously different from annealing.
Classification of polymers - Linear polymers These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are
what is the formula for the binary ionic compound formed between sodium and iodine
When does intrinsic semiconductor become an extrinsic semiconductor? Illustrate. Semiconductor doping is the process which changes an intrinsic semiconductor to an extrinsic se
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CLARK'S METHOD OR SOAP TITRATION METHOD: This method depends upon the fact that when soluble soap is added to hard water, constituent of hard water. Ca, Mg and other heavy metals
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Equation shows the combustion of methane. a. By analogy, write a similar chemical equation using ethane, C 2 H 6 . b. Show this equation with Lewis structures. Answer:
,Potassium-42 is a radioisotope that nutritionists use to determine whether the body is effectively using potassium at the cellular level. The half-life of potassium-42 is 12.4 hou
What do you understand by molar conductivity at infinite dilution
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