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For given cell Anode reaction:2Br-(aq) → Br2(l) + 2e-Cathode reaction:2H+(aq) + 2e- → H2(g)Overall cell reac
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
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Heat given to a system (ΔQ) is equal to the sum of the increase in the internal energy (Δu) and the work done (ΔW) by the system against the surrounding and
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rbseh Textbook Solutions Class 12 भूगोल. Free online भूगोल Textbook Questions and Answers. Students can find भूगोल 2018-19 syllabus, marking scheme, solved sample papers and previous year papers
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Photons are the packets of energy. Power emitted ,P = 2 x 10-3 WEnergy of photon, E = hv  = 6.6 x 10-34 x 6 x 1014 Jh being planck s constant.Numer of photo
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LHS= cos 38° . cos 52° - sin 38° . sin 52°= cos (90°-52°). cos 52°-sin (90° - 52°). sin 52°= sin 52° . cos 52° - cos 52° . sin 52°= 0 = RHS Prov
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The colour of cations is dependent on the number of unpaired electrons present in d-orbital. The electronic configuration of the following cations is as follow
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Resistivity of a material is given by,                         R = ρlA If, lengt
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F1 = 14πε0 = qQa2F2 = 14πε0 qQa2F3 = 14πε0 QQ(2a)2 = 14π&epsilon
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It is primary halide and therefore undergoes SN2 reaction faster.
As there will be lesser steric hind– rance for the approaching nucleo– phile from the bac
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Drainage system of Harappan cities-
(i) The drainage system was planned very carefully.
(ii) Road and streets were laid out along an approximate grid pattern i
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