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Recent questions tagged q139

The average kinetic energy of an ideal gas per molecule in SI units at $25^{\large\circ}C$ will be

asked Mar 6, 2014 by sharmaaparna1

1 answer

Refer the below diagram :

asked Mar 3, 2014 by meena.p

1 answer

The maximum area of the triangle formed by the circle $x^2+y^2=a^2$ with two of its vertices are diametrically opposite points is?

asked Feb 11, 2014 by sreemathi.v

1 answer

If $1$, $log_{b}^{a}$, $log_{c}^{b}$, $-15\;log_{a}^{c}$ are in AP, then

asked Jan 21, 2014 by yamini.v

1 answer

Given that, $r_{(n+1)}-r_n=r_{(n-1)}$,where $r_n,r_{n-1}$ and $r_{(n+1)}$ are Bohr's radius for H-atom in $n^{th},(n-1)^{th}$ and $(n+1)^{th}$ shell respectively.

asked Jan 17, 2014 by sreemathi.v

1 answer

Integrate : $ \int \sqrt {\tan x }+ \sqrt {\cot x }dx$

asked Dec 23, 2013 by meena.p

1 answer

Nitrogen fixation in root nodules of Alnus is brought about by :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

Match the following

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which one of the following gives a straight line for Freundlich adsorption isotherm?

asked Nov 9, 2013 by thanvigandhi_1

1 answer

The distance in pico metres between centres of two closest sodium atoms in the body centred cubic lattice of sodium metal with a unit cell length of $4.3 \: A$ is

asked Oct 23, 2013 by thanvigandhi_1

1 answer

Which one of the following reactions represents the oxidizing property of $H_2O_2$?

asked Oct 21, 2013 by meena.p

1 answer

How many 'ml' of perhydrol is required to produce sufficient oxygen which can be used to completely convert 2 lit of $SO_2$ gas to $SO_3$ gas?

asked Oct 15, 2013 by meena.p

1 answer

If the solubility product of $MgF_2$ at a certain temperature is $ 1.08 \times 10^{-10}$ , its solubility in mol $1^{-1}$ is:

asked Oct 14, 2013 by thanvigandhi_1

1 answer

Solvay process is used in the manufacture of :

asked Oct 1, 2013 by meena.p

1 answer

Bond energy of $F_2,Cl_2$ and $Br_2$ follow the order:

asked Sep 25, 2013 by meena.p

1 answer

Solution "X" contains $Na_2 CO_3$ and $NaHCO_3.\;20 \;ml$ of $X$ when titrated using methyl orange indicator consumed $60\; ml $ of $0.1\;M\;HCl$ solution. In another experiment, $20 \;ml$ of X solution when titrated using phenolphthalein consumed $20\;ml$ of $0.1\;M\;HCl$ solution. The concentration (in mol $lit^{-1}$) of $Na_2CO_3$ and $NaHCO_3$ in X are respectively.

asked Sep 19, 2013 by meena.p

1 answer

In $16$ throws of a die getting an even number is considered a success. Then the variance of the successes is

asked May 28, 2013 by poojasapani_1

1 answer

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