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Recent questions tagged q137

A cylinder was filled with gaseous mixture containing $CO$ and $N_2$ . The ratio of their partial pressure in cylinder are:

asked Mar 6, 2014 by sharmaaparna1

1 answer

Optical isomerism arises from the presence of

asked Mar 3, 2014 by meena.p

2 answers

Find the equation of normal to the circle $(x-2)^2+(y-2)^2=4$ at $(2,4)$ ?

asked Feb 11, 2014 by sreemathi.v

1 answer

For an AP with first term a and sum of first m terms 0, the sum of next n terms will be

asked Jan 21, 2014 by yamini.v

1 answer

The magnetic moment of a transition metal ion is $\sqrt{15}$BM.Find out the number of unpaired electrons in it

asked Jan 17, 2014 by sreemathi.v

1 answer

$f(x)=\sin^{-1}\big(\large\frac{2x}{1+x^2}\big)$ is differentiable on

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate : $ \int \large\frac{1}{\cos x - \sin x}$$dx$

asked Dec 23, 2013 by meena.p

1 answer

Importance of day length in flowering of plants was first shown in :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

What is the emulsifier in milk ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Match the following

asked Oct 23, 2013 by thanvigandhi_1

1 answer

Calculate $\Delta H$ in kJ for the following reaction : $C_{(s)}+O_{2(g)} \longrightarrow CO_{2(g)}$ Given that , \[ H_2 O_{(g)} + C_{(s)} \longrightarrow CO_{(g)} + H_{2(g)} +H_{2(g)} \quad \Delta H =+131\;kJ\] \[CO_{(g)}+\large\frac{1}{2} O_{2(g)} \longrightarrow CO_{2(g)} \qquad \Delta H =-282\;kJ\] \[H_{2(g)}+\frac{1}{2} \;O_{2(g)} \longrightarrow H_2O_{(g)} \qquad \Delta H =-242\;kJ\]

asked Oct 21, 2013 by meena.p

1 answer

The average kinetic energy of one molecule of an ideal gas at $27^{\circ}C$ and 1 atm. pressure is :

asked Oct 15, 2013 by meena.p

1 answer

Fluorine reactes with $ KHSO_4$ to form HF and $ \underline X$. Which one of the following is $ \underline X$?

asked Oct 14, 2013 by thanvigandhi_1

1 answer

A micelle formed during the cleansing action by the soap is :

asked Oct 1, 2013 by meena.p

1 answer

The gases evolved in the decomposition of lead nitrate are:

asked Sep 25, 2013 by meena.p

1 answer

Match the following

asked Sep 19, 2013 by meena.p

1 answer

The mean of a binomial distribution is $5$ and its standard deviation is $2.$ Then the value of $n$ and $p$ are

asked May 28, 2013 by poojasapani_1

1 answer

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