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CBSE->Plus 2 Computer Science Questions

Total Questions 120
what do you by confirmational isomers of ethane
what do you mean by mayers relation(Cp-Cv=r)
what do you mean by mayers relation(Cp-Cv=R)
what do mean by mayers relation(Cp-Cv=R)
EXPLAIN: 1.Liquid Ammonia bottle s cooled before opening the seal. 2.Boiling point is abnormally high when compared to that of H2S.
Copper s regarded as transition element though it has copmpletely filled d-orbital. Give reason for it.
what areconservativeforce show that gravitionalforce is a conservative force
Explain hydrolysis,hydration and hydrogenation with examples.
A program to print int this format &&&&&&& &&&& && &
WHAT IS GIBBS ENERGY?
SIR CAN U PLZ PUT NOTES OF THERMODYNAMICS.
HOW MANY 3-DIGIT EVEN NUMBERS CAN BE MADE USING THE DIGITS 1,2,3,4,5,6,7. IF NO DIGITS ARE REPEATED?
why lens of large aperture create physical problems on it but mirror of large aperture doesn't?
PROVE BY USING MATHEMATICAL INDUCTION n(n+1)(n+5) is multiple of 3
FIND THE GENERAL SOLUTION FOR EACH 1.sinx+sin3x+sin5x=0 2.sec^2.2x=1-tan2x
PROVE THAT sinx+sin3x+sin5x+sin7x=4cosxcos2xsin4x PLZ ANSWER FAST
PROVE THAT (cosx-cosy)^2+(sinx - siny)^2=4sin^2 x-y/2
what is atom?
PROVE THAT (cosx + cosy)^2 + (sinx - siny)^2 = 4cos^2 x+y/2
PROVE THAT ; Q)TAN 1*TAN 2*TAN3*......*TAN89 = 1