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Recent questions tagged q142

The RMS speed of the molecules of diatomic gas is U, when the temperature is doubled , the molecules dissociates into two atoms . The new RMS speed of the atom is

asked Mar 9, 2014 by sharmaaparna1

1 answer

An organic molecule necessarily shows optical activity if it

asked Mar 3, 2014 by meena.p

1 answer

Find the shortest and largest distance from the point (2,-7) to the circle $x^2+y^2-14x-10y-151=0$.

asked Feb 11, 2014 by sreemathi.v

1 answer

The wavelength of $m^{th}$ line Balmer series for an orbital is $4103 A^{\large\circ}$. What is the value of $m$?

asked Jan 23, 2014 by sharmaaparna1

1 answer

Sum of n terms of series $\;1.3.5+3.5.7+5.7.9+$.......is

asked Jan 22, 2014 by yamini.v

1 answer

$\lim\limits_{x\to 0}\large\frac{(\cos x)^{1/2}-(\cos x)^{1/3}}{\sin^2x}$ is

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate : $ \int \sec^4 x dx$

asked Dec 23, 2013 by meena.p

1 answer

The fleshy receptacle of syconus of fig encloses a number of :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

In $P_4O_{10}$ , the number of oxygen atoms bonded to each phosphorous atom is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which one of the following statement is not correct?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

The solubility product, $K_{sp}\: of Ag_2\: CrO_4$ is $ 3.2 \times 10^{-11}\: at T(K)$ . Its solubility in mol $ L^{-1}$ is

asked Oct 23, 2013 by thanvigandhi_1

1 answer

Identify $\underline B$ in the following reaction :

asked Oct 21, 2013 by meena.p

1 answer

Which one of the following order is correct for the first ionisation energies of the elements?

asked Oct 15, 2013 by meena.p

0 answers

Zinc reacts with hot and concentrated NaOH and forms :

asked Oct 14, 2013 by thanvigandhi_1

1 answer

The oxide of nitrogen formed by thermal decomposition of $NH_4NO_3$ is :

asked Oct 1, 2013 by meena.p

0 answers

Which of the following metallurgical processes does not involve heating?

asked Sep 25, 2013 by meena.p

1 answer

Which one of the following is not correct?

asked Sep 19, 2013 by meena.p

1 answer

If in a poisson distribution $P(X=0)=k$ then the variance is

asked May 30, 2013 by poojasapani_1

1 answer

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