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find the solution of xyy'=x2+y2 ...
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Find the height of right cylinder with maximum volume that can be inscribed in a sphere of radius R. ...
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In the nuclear reaction 92U235→82Pb207, α and β particles are lost. The no. of β particles lost is ...
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In presence of peroxide, the addition of hydrogen chloride to propene gives ...
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1-chlorobutane, on reaction with alcoholic KOH gives ...
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Ozonolysis of 2,3-dimethyl -1-butene followed by reduction with zinc and water gives ...
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A compound which does not give iodoform test on treatment with alkali and iodine is ...
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In the following compounds I - phenol II - p-methylphenol III- m-nitrophenol IV- p-nitrophenol The order of acidity is ...
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*Image* will show ...
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The total number of isomers for C4H8 is ...
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Which of the following represents the given mode of hybridization sp2-sp2-sp-sp ...
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A compound is soluble in conc. H2SO4. It does not decolorise bromine in carbon tetrachloride but it is oxidised by chromic anhydride in aqueous solphuric acid within 2 seconds, turning orange solution to blue, green and then ...
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A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives ...
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∫(x2+3)/(x4-1)dx=Atan-1x+Bln|(x-1)/(x+1)|, then A is ...
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The domain of the function f(x)=1/√(x+1) +ln(1-x) ...
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Which of the following has the smallest dissociation constant? ...
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logx2x2=1 is satisfied for x in ...
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For H3PO3 and H3PO4 the correct choice is ...
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In which of the following minerals, aluminium is not present? ...
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The number of S-S bonds in sulphur trioxide is trimer (S3O9) is ...
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Which of the following compounds cannot be identified by carbylamine test? ...
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The compound which does not show paramagnetism is ...
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When MnO2 is fused with KOH, a coloured compound is formed. The product and its colour is ...
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The correct name for the complex [Cr(NH3)6][Co(C2O4)3] is ...
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Two unknown quantities K1 and K2 are given by the equation e∫K1dt = K2 where e is the natural logarithmic base and t is time.The dimensions of K1 and K2 respectively are ...
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Geometrical isomerism in coordination compounds is exhibited by ...
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Two balls are thrown from the top of a tower with same speed but with different angles.Then the speeds at which they land on the ground are ...
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How many degrees of freedom does a common bi-cycle have ? ...
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Following sers of three forces act on a body.Whose resultant cannot be zero ...
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A force F = -K(xi + yj) acts on a particle moving in xy plane.(K is a posivie constant).Starting from origin if the paticle is taken to (a,o) along X-axis and from there to (a,a) parallel to Y-axis , the work done by the ...