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Concentrated aqueous sulphuric acid is 98% H2SO4by mass and has clicking on this link
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i) In the absence of electric field the path of electrons are straight lines between successive collisions.

ii) When an electric field is set up from positive to negative charge, the electrons are accelerated towards the negative charge. Therefore, in the presence of electric field the electrons follow a curved path in between successive collisions.

Consider a conductor of length'l' and of uniform area of cross section 'A'.
Therefore,
Volume of conductor, V = Al
If, n is the number density of electrons, then
Total number of free electrons in the conductor = Aln
If, e is the tota

Mn2+ exists in 3d5 configuration which is a half-filled configuration which provides extra stability to the Metal Ion. While Mn3+ will exist in 3d4 configurati
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Conversion of n-propyl bromide from isopropyl bromide.
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solution:The elevation in boiling point depend on the dissociation of particle in solution.0.1 M NaCl will dissociate into Na+ and CI– whereas 0
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Sky waves. A radio wave transmitted towards the sky and reflected by the ionosphere towards the desired location of the earth is called a sky wave.Space waves
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Formula is Ni0.98O1.00So the ration of Ni : O = 98:100So if there are 100 atoms of oxygen then 98 atoms of Ni,Let number of atoms of Ni+2 = xThen number of ato
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 Let a capillary tube of uniform bore be dipped vertically in a wet liquid. Since liquid is wet, therefore, the meniscus is concave. Let r be the radius of ca
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मोहनजोदड़ो को हड़प्पा सभ्यता का सबसे बड़ा शहरी केंद्र माना जाता है। इस सभ्यता की नगर-योजना, गृह निर्माण, मुद्रा, मोहरों आदि की अधिकांश जानकारी मोहनजोदड़ो से प्राप्त हुई है।

नियोजित शहरी केंद्र: यह नगर दो भागों में विभाजित था, एक छोटा लेकिन ऊँचाई पर बनाया गया और दूसरा कहीं अधिक बड़ा लेकिन नीचे बनाया गया। पुरातत्वविदों ने इन्हें क्रमश: दुर्ग और निचला शहर का नाम दिया है।दुर्ग कि ऊँचाई का कारण यह था कि यहाँ कि संरचनाएँ कच्ची ईंटों के चबूतरों पर बनी थीं। दुर्ग को दीवार से घेरा हुआ गया था जिसका अर्थ है कि इस निचले शहर से अलग किया गया था। निचला शहर भी दीवार से घेरा गया था। इसके अतिरिक्त कई भवनों को ऊँ