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Recent questions tagged q147

The surface tension of which of the following liquid is maximum

asked Mar 9, 2014 by sharmaaparna1

1 answer

How many structural (including stereoisomers ) isomers could be obtained by replacing one hydrogen of propene with chlorine ?

asked Mar 4, 2014 by meena.p

1 answer

Find the area of triangle formed by the tangents (4,3) to the circle $x^2+y^2=9$ and the line segment joining their point of contact?

asked Feb 11, 2014 by sreemathi.v

1 answer

A compound of Vanadium has a magnetic moment of 1.73 Bm. Work out the electric configuration of the Vanadium ion in the compound.

asked Jan 28, 2014 by sharmaaparna1

1 answer

Ratio of sum of n terms of two AP's is $\;(5n+3)\;:\;(3n+4)\;,$ then the ratio of $\;15^{th}\;$ term will be :

asked Jan 22, 2014 by yamini.v

1 answer

$\lim\limits_{n\to \infty}\large\frac{1}{n}$$\sum\limits_{r=1}^{2n}\large\frac{r}{\sqrt{n^2+r^2}}$ equals

asked Jan 3, 2014 by sreemathi.v

1 answer

Integrate : $\int x^5 \sec^2 (7x^6+9) dx$

asked Dec 23, 2013 by meena.p

1 answer

What is vital capacity of our lungs ?

asked Dec 20, 2013 by thanvigandhi_1

0 answers

The processes used in the refining of aluminium and zinc metals are respectively :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

The hybridization of Xe and the number of lone pairs of electrons on it in $XeF_6$ are :

asked Nov 9, 2013 by thanvigandhi_1

0 answers

Which of the following statements are correct?

asked Oct 24, 2013 by thanvigandhi_1

1 answer

$[C0(NH_3)_5SO_4]Br$ and $[C_0(NH_3)_5Br]SO_4$ are a pair of __________ isomers.

asked Oct 21, 2013 by meena.p

1 answer

A codon has a sequence of $\underline {\underline {A}}$, and specifies a particular $\underline {\underline {B}}$ that is to be incorporated into a $\underline {C}$. What are $\underline {A},\underline {B},\underline {C}?$

asked Oct 15, 2013 by meena.p

1 answer

Sodium thiosulphate reacts with $dil\: HCI$ to form $NaCI,H_2O, \underline X\: and \: \underline Y.\: \underline X$ reacts with $Na_2S$ to form $Na_2S_2O_3$ and $ \underline Y$ . Which one of the following is $ \underline Y$.

asked Oct 14, 2013 by thanvigandhi_1

1 answer

The chemical reaction that involves roasting process is :

asked Oct 2, 2013 by meena.p

1 answer

The number of stereo isomers possible for $H_3C-CH(OH)-CH(OH)-CH_3$ is :

asked Sep 25, 2013 by meena.p

1 answer

Which of the following is not added during the extraction of silver by cyanide process?

asked Sep 19, 2013 by meena.p

1 answer

If $f(x)$ is a p.d.f of a normal distribution with mean $\mu$ then $\int\limits_{-\infty}^{\infty}f(x)dx$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

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