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A mixture of FeO and Fe3O4 when heated in air to constant weight gains 5% in its weight .The % of FeO in the sample is? ...
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A block of mass m is attached to one end of a long elastic rope. The other end of the elastic rope is fixed to the roof of a building. Initially the block is in contact with the roof at the point where the rope is fixed and i ...
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*Image* The answer is B......ok dats fine dat a cabocation will form so it prooceeds in forward direction....but wouldn't d C option should also be correct......Why we r not accounting for d resonance stabilisation of RCOO-?? ...
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The molecule which does not exhibit strong hydrogen bonding is : (A) methyl amine (B) acetic acid (C) diethyl ether (D) glucose. ...
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Among H2S,SO2,H2O which one has least bond angle and why? ...
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Among H2S,SO2,H2O which one has least bond angle and why? ...
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Among H2S,SO2,H2O which one has least bond angle and why? ...
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Q.1 In how many ways can clean & clouded (overcast) days occur in a week assuming that an entire day is either clean or clouded. Q.2 Four visitors A , B , C & D arrive at a town which has 5 hotels . In how many ways can they ...
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A free point charge q and mass m is at rest at the origin .A constant electric field E = E0(i^- j^) and constant magnetic field B = -B k^ is present in whole region .When this charge reaches at position (2,20) its speed be ∠...
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A free point charge q and mass m is at rest at the origin .A constant electric field E = E0(i^- j^) and constant magnetic field B = -B k^ is present in whole region .When this charge reaches at position (2,20) its speed be ∠...
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Q).Oxygen is a).a halogen b).an alkaline earth c).a noble gas d).a nonmetal ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...
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i know about oxidation number but how can i define it..??????....pllzzz help... ...
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What is the difference between a base and a neucleophile? ...
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What is the difference between a base and a neucleophile? ...
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