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Recent questions tagged q141

The ratio between the root mean square speed of $H_2$ at 50K and that of $O_2$ at 800K is..

asked Mar 6, 2014 by sharmaaparna1

1 answer

Which of the following compounds will exhibit geometrical isomerism ?

asked Mar 3, 2014 by meena.p

1 answer

If two tangents are drawn from a point on the circle $x^2+y^2=36$ to the circle $x^2+y^2=18$ then find the angle between the tangents.

asked Feb 11, 2014 by sreemathi.v

1 answer

Calculate the number of waves made by a Bohr's electron in one complete revolution in its 3rd orbit of H-atom

asked Jan 23, 2014 by sharmaaparna1

1 answer

Three positive numbers $p, q, r$ are in HP, $(r > p)$, then $log (p+r) + log (p-2q+r)$ is equal to

asked Jan 22, 2014 by yamini.v

1 answer

If $a,b,c,d$ are positive then $\lim\limits_{x\to \infty}\big(1+\large\frac{1}{a+bx}\big)^{c+dx}=$

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate: $ \int \large\frac{dx}{x \sqrt {1-x^3}}$$= a \log \bigg| \large\frac{\sqrt {1-x^3}-1}{\sqrt {1-x^3}+1}\bigg|$ find the value of a

asked Dec 23, 2013 by meena.p

1 answer

Replum is present in the ovary of flower of :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

A and B are the compounds of carbon. A on passing over red hot coke is converted to B. Then A and B are respectively :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

In which of the following reactions hydrogen is not liberated?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

The degree of dissociation of $N_2O_4$ in

asked Oct 23, 2013 by thanvigandhi_1

1 answer

Boron halides behave as Lewis acids because of their ___________ nature.

asked Oct 21, 2013 by meena.p

1 answer

Match the following :

asked Oct 15, 2013 by meena.p

1 answer

In which of the following reactions $ H_2O_2$ acts as oxidizing agent?

asked Oct 14, 2013 by thanvigandhi_1

1 answer

Which one of the following is the mineral for tin ?

asked Oct 1, 2013 by meena.p

1 answer

The solution of $X$ having excess of caustic potash is used to detect ammonia. Which of the following is $X$?

asked Sep 25, 2013 by meena.p

1 answer

How many corner's of $SiO_4$ unit are shared in the formation of three dimensional silicates?

asked Sep 19, 2013 by meena.p

1 answer

If $2$ cards are drawn from a well shuffled pack of $52$ cards, the probability that they are of the same colours without replacement, is

asked May 30, 2013 by poojasapani_1

1 answer

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