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Recent questions tagged q179
Questions
The density of a mixture of $O_2$ and $N_2$ at NTP is 1.3g/l . Calculate partial pressure of $O_2$ .
jeemain
chemistry
states-of-matter
unit5
class11
ideal-gas-equation
difficult
q179
asked
Apr 5, 2014
by
sharmaaparna1
1
answer
$CH_3 -CHCl -CH_2-CH_3$ has a chiral centre. which one of the following represents its R- configuration?
jeemain
chemistry
class11
organic-chemistry
q179
easy
basic-organic-chemistry
ch12
asked
Mar 5, 2014
by
meena.p
1
answer
If the radius of first Bohr orbit of hydrogen atom is 'x' then de Broglie wavelength of electron in $3^{rd}$ Orbit is nearly
sat
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bhor's-model
medium
q179
asked
Feb 7, 2014
by
sharmaaparna1
1
answer
$S_{1}, S_{2},.....S_{n}$ are sums of infinite geometric series with first term $1,2,3,...n$ and common ratio $\large\frac{1}{2}$, $\large\frac{1}{3}$,...$\large\frac{1}{n+1}$ respectively. Find $\displaystyle\sum_{r=1}^{n}\;S_{r}$.
jeemain
math
class11
ch9
sequences-and-series
difficult
sum-of-n-terms-of-special-series
q179
asked
Jan 23, 2014
by
yamini.v
1
answer
The set of points where the function $f(x)=\sqrt{1-e^{-x^2}}$ is differentiable is
jeemain
math
ch5
continuity-and-differentiability
differentiability
difficult
q179
asked
Jan 6, 2014
by
sreemathi.v
1
answer
Integrate : $\int \sqrt {e^x-1} dx$
jeemain
math
class12
ch7
integral-calculus
integration-by-subsitution
difficult
q179
asked
Dec 24, 2013
by
meena.p
1
answer
Consider the following four statements (a - d ) about certain desert animals such as kangaroo rat.
aipmt
modelpaper
biology
2008
q179
asked
Dec 21, 2013
by
thanvigandhi_1
0
answers
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