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Recent questions tagged q128
Questions
The value of universal gas constant R depends on..
jeemain
chemistry
states-of-matter
unit5
class11
medium
q128
asked
Mar 5, 2014
by
sharmaaparna1
1
answer
$CH_3Br +Nu^{-} \longrightarrow CH_3 -Nu +Br^{-} $ The decreasing order of the rate of the above reaction with nucleophiles $(NU)$ A to D is $[Nu^{-}=\quad (A)\; Pho^{-},\;(B)\;AcO^- ,\; (C)\; HO^{-},\; (D)\;CH_3O^{-}]$
jeemain
chemistry
class11
organic-chemistry
q128
difficult
basic-organic-chemistry
ch12
asked
Mar 3, 2014
by
meena.p
1
answer
Find the centre and radius of the circle $x^2+y^2-2x-4y=9$.
jeemain
math
class11
coordinate-geometry-conic -sections
circle
ch11
q128
medium
asked
Feb 11, 2014
by
sreemathi.v
1
answer
If $j,k,l$ are in AP $p,q,r$ in HP and $jp,kq,lr$ in $GP$ , then $\;\frac{p}{r}+\frac{r}{p}\;is\;equal\;to:$
jeemain
math
class11
ch9
sequences-and-series
medium
relationship-between-ap-and-gm
q128
asked
Jan 21, 2014
by
yamini.v
1
answer
If uncertainties in the measurement of position and momentum of an electron are equal,calculate uncertainty in the measurement of velocity.
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bhor's-model
q128
medium
asked
Jan 17, 2014
by
sreemathi.v
1
answer
In order that the function $f(x)=(x+1)^{\large\cot x}$ is continuous at $x=0$. f(0) must be defined as
jeemain
math
ch5
continuity-and-differentiability
continuity
medium
q128
asked
Jan 2, 2014
by
sreemathi.v
1
answer
Integrate : $\int \large\frac{\cos 2x - \cos 2 \alpha}{\cos x - \cos \alpha}$$ dx $
jeemain
math
class12
ch7
integral-calculus
fundamental-theorem-of-calculus
easy
q128
asked
Dec 21, 2013
by
meena.p
1
answer
Which one of the following pairs of items correctly belongs to the category of organs mentioned against it ?
aipmt
modelpaper
biology
2008
q128
asked
Dec 20, 2013
by
thanvigandhi_1
1
answer
Which one of the following $ 1.0 \times 10^{-3}$ molal aqueous solutions has the highest boiling point ?
jeemain
eamcet
chemistry
2010
q128
asked
Nov 20, 2013
by
thanvigandhi_1
0
answers
Which one of the following is not a biopolymer?
jeemain
eamcet
chemistry
2011
q128
asked
Nov 5, 2013
by
thanvigandhi_1
1
answer
Identify A,B and C in the following reactions
jeemain
eamcet
chemistry
2012
q128
asked
Oct 21, 2013
by
thanvigandhi_1
1
answer
What is the temperature at which the kinetic energy of 0.3 moles of Helium is equal to the kinetic energy of $0.4$ moles of Argon at 400 k?
jeemain
eamcet
chemistry
2008
q128
asked
Oct 21, 2013
by
meena.p
1
answer
Electrons with a kinetic energy of $6.023 \times 10^4 \;j/mol$ are evolved from a surface of a metal , when it is exposed to radiation of wavelength of $600\;nm$. The minimum amount of energy required to removed an electron from the metal atom is:
jeemain
eamcet
chemistry
2009
q128
asked
Oct 14, 2013
by
meena.p
1
answer
Which one of the following ischloropicrin?
jeemain
eamcet
chemistry
2013
q128
asked
Oct 13, 2013
by
thanvigandhi_1
0
answers
If $BaCl_2$ ionizes to an extent of $80 \%$ in aqueous solution, the value of Van't Hoff factor is :
jeemain
eamcet
chemistry
2010
q128
asked
Oct 1, 2013
by
meena.p
1
answer
Match the following:
jeemain
eamcet
chemistry
2011
q128
asked
Sep 25, 2013
by
meena.p
1
answer
Which one of the following is an isotonic pair of solutions?
jeemain
eamcet
chemistry
2013
q128
asked
Sep 18, 2013
by
meena.p
1
answer
A random variable $X$ has the following probability mass function as follows:\[\]$\begin{array} {llllllll} \textbf{X:}& -2& 3 & 1 \\ \textbf{P(X=x):}& \large\frac{\lambda}{6}& \large\frac{\lambda}{4} &\large\frac{\lambda}{12} \end{array}$\[\] Then the value of $\lambda$ is
tnstate
class12
bookproblem
p242
objective
q128
asked
May 28, 2013
by
poojasapani_1
1
answer
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