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1..why natural convection cannot take place in gravity free region??? ...
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1...WHY WATER IN RANGE 0-4.C EXPANDS ON COOLING AND CONTRACTS ON HEATING ?????? ...
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1.why joule thomson effect zero in case of ideal gases????? ...
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1.P4 exists but N4 does not...again N2 exists but P2 doesn't...why ?????? ...
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1..thermodynamic equilibrium constant k is a unitless quantity (T/F) ...
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1.. *Image* ...
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1.plz can anyone tell me how to find plane ,centre of symmetry with examples.......... ...
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1..... *Image* ...
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1...do chirality and optically activity mean the same ??????? ...
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1..WHICH IS PARAMAGNETIC--- A. TRIPLET O2 B[.Cu(CN)4]2- C.[Pt(Cl)4]2- ...
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1.... *Image* 2.. *Image* ...
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*Image* ...
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1...force on a current carrying current conductor is given by F=(i∫dl )X B WHERE FOR A CONDUCTOR ∫dl REPRESENTS VECTOR SUM OF ALL LENGTH ELEMENTS FROM INITIAL [POINT TO FINAL POINT ...
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let y=\frac{x^2+ax+b}{x^2+px+q} whare α,β are roots of {x^2+ax+b} and β,γ of x2+px+q such that α<β<γ statement-1:for all xεR-(β,γ) THE RANGE OF Y IS ALL REAL statement 2..for all xεR-(β,γ) Y IS ONE-ONE FUNC ...
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1..if f:R→R be a differential finction such that that f(2-x)=f(x) and f(5-x)=f(5+x) then 1.f'(-3)=0 2..f'(9)=0 . 3.if \int_{3}^{5}{f(x)dx=k},then \int_{11}^{15}{f(x) dx} wil l be k ...
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prove \mathbf{}\int_{0}^{infinity}{sinx.dx}=1 ...
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1..why calcination done below the fusion temp. of metal and that in roasting below its M.P ...
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1..for stability of complex compounds we have to consider charge on central atom or whether it is inner or outer orbital complex ...
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1..ethanol+ KI+Na2CO3→→→yellow ppt.(x) x ?????????? ...
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1..∫ X2/(A+BX)2 dx ...
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...1..HOW ELECTRIC AND MAGNETIC FIELD CAN AFFECT RATE OF REACTION ?????? ...
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1..are oxides of H,Bi,Ga,Tl,Sb,Po AMPHOTERIC ?????? 2.WHICH HAS GREATER IONIC CHARACTER --ZnCO3 OR MgCO3 ????? ...
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*Image* r-RADIUS OF INNER AND R-RADIUS OF OUTER SHELL ...
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1.calculate the no. of metal-metal bond of Co4(CO)12 if complex follows 18e- rule ???? ...
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1.what are number of positional isomers of anthracene???? ...
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1.. equivalent wt. of HCl when it is treated with with K2Cr2O7 a.36.5 b.>36.5 c.<36.5 d.unpredictable ...
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1..stability of following carbanion can be explained by *Image* a.inductive effect. b.mesomeric effect c.s- character ...
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1. what are the no. of stereoisomers of MA3BCD type of complex?????? (give the structures if possible ) ...
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match--- 1.Cl2O a. acidic oxide 2.ClO2 b. HOCl 3.Cl2O6 c. HClO2 4.Cl2O7 d. HClO4 ...
