Tutoring with Saikat Dey

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Your enthusiasm is much appreciated. In order to excel in picking up new words quickly, you need to related words to the context. And that might happen by reading books and standard newspaper. There is a very simple solution to your problem. 

What you need to do is to relate and utilize the newly learned words in daily chores.

If you read and study the words along with their roots, you can learn a lot of new words. 

Alternatively, there is a wonderful book that can help you in this process is "Word Power Made Easy by Norman Lewis." Just follow this book and you can excell drastically. Or you can even download a free app from Playstore named "Magoosh Vocabulary" which, too, helps profitably for free.

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When magnetic moments are aligned in such a way that net magnetic moment is zero, then magnetism is said to be anti-ferromagnetism. Eg: MnO 

↑↓ ↑↓↑↓ [Their net magnetic moment become zero for opposite orientation]

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Genuinely Sur Das used Braj Bhasha for his works

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Ferrimagnetic substances are those substances whose domains are aligned in parallel and antiparallel direction in unequal number.

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It is property of an element to show magnetic character.It is calculated by the number of unpaired electrons in electronic configuration of an element.

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A substance having a high susceptibility to magnetization, the strength of which depends on that of the applied magnetizing field, and which may persist after removal of the applied field. This is the kind of magnetism displayed by iron, and is associated with parallel magnetic alignment of neighbouring atoms.

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the equilibrium reached between two ionic solutions separated by a semipermeable membrane when one or more of the kinds of ion present cannot pass through the membrane. The result is a difference in osmotic pressure and electrical potential between the solutions.

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Nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum, and nickel are the most essential mineral elements.

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It is  a common form of dementia, believed to be caused by changes in thebrain, usually beginning in late middle age, characterized by memorylapses, confusion, emotional instability, and progressive loss ofmental ability.

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It is a disorder of the nervous system, characterized either by mild,episodic loss of attention or sleepiness.