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Explain Curie point and hystereris?
An ordinary piece of iron generally has little or no net magnetic moment. Though, if it is placed in a strong enough external magnetic field, domains will re-orient in parallel with that field, and will remain re-oriented when field is turned off, Hence creating a "permanent" magnet. This magnetization as a function of external field is described by a hysteresis curve. However this state of aligned domains isn't a minimal-energy configuration, it's extremely stable and has been observed to persist for millions of years in seafloor magnetite aligned by Earth's magnetic field (whose poles can thereby be seen to flip at long intervals). Net magnetization can be destroyed by heating and then cooling (annealing) the material without an external field, however.
Determination of Molecular Mass - Victor Meyer method Molecular mass of volatile liquids and solids that can be easily ascertained from the application of Avogadro hypothesis a
Resonance for the methyl group at room temperature The resonance for the methyl group at room temperature is a singlet. When the temperature is lowered, the resonance of this m
what are the strong and biodegradable binder?
Q. Can we apply Kinetic Molecular Theory to Solutions? Ans. The Kinetic Molecular Theory can also be applied to solutions. A solution is a distribution of one or more sub
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Why 2-methyl propanal gives canizzaro Rex.
Properties of Allyl iodide or 3-iodopropene-1, ICH 2 CH = CH 2 Allyl iodide is a colourless liquid. It get boils at 103.1°C.The halogen atom in allyl iodide is fairly reactive
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Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
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