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Recent questions tagged q132

If $V_0$ is the volume of the given mass of a gas at 273K and pressure P , then according to Charles's law the volume of same mass of gas at $10^{\large\circ}C$ and pressure P will be

asked Mar 5, 2014 by sharmaaparna1

1 answer

Which one of the following does not have $SP^2$ hybridized carbon ?

asked Mar 3, 2014 by meena.p

1 answer

Find the length of the intercept on the straight line $4x-3y-10=0$ by the circle $x^2+y^2-2x+4y-20=0$

asked Feb 11, 2014 by sreemathi.v

1 answer

If the numbers $\;1,x^2,6-x^2\;$ are in GP , then value of $x$ is :

asked Jan 21, 2014 by yamini.v

1 answer

H-atoms in ground state (13.6eV) are excited by monochromatic radiations of photon of energy 12.1eV. Find the number of spectral lines emitted in H atom.

asked Jan 17, 2014 by sreemathi.v

1 answer

Suppose $f:R\rightarrow R$ is a differentiable function and $ f(1)=4$.Then value of $\lim\limits_{x\to 1}\int\limits_4^{f(x)}\large\frac{2t}{x-1}$$dt$ is

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{\sin x}{\sin (x-\alpha)}$$dx$

asked Dec 21, 2013 by meena.p

1 answer

Dry indehiscent single - seeded fruit formed from bicarpillary syncarpous inferior ovary is :

asked Dec 20, 2013 by thanvigandhi_1

1 answer

A crystalline solid substance has a density of $10 g/cm^3$ and the length of the edge of the unit cell (FCC) is 2.0 A. How many number of atoms are present in 200 grams of the solid ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Match the following

asked Nov 5, 2013 by thanvigandhi_1

1 answer

What are A and B ?

asked Oct 21, 2013 by thanvigandhi_1

1 answer

When same quantity of electricity is passed through aqueous $AgNO_3$ and $H_2SO_4$ solutions connected in series, $5.04 \times 10^{-2}\;g$ of $H_2$ is liberated. What is the mass of silver (in grams) deposited ? ( Eq wts ofHydrogen -1.008, silver =108)

asked Oct 21, 2013 by meena.p

1 answer

Which pair of oxyacids of phosphorous contains $'P-H'$ bonds ?

asked Oct 15, 2013 by meena.p

1 answer

Carbon and Hydrogen in an organic compound are detected as

asked Oct 13, 2013 by thanvigandhi_1

1 answer

Assertion (A) : White tin is an example of tetragonal system. Reasoning (R): For a tetragonal system $a=b=c$ and $\alpha =\beta = \gamma \neq 90^{\circ}$. The correct answer is :

asked Oct 1, 2013 by meena.p

1 answer

According to Langmuir adsorption isotherm, the amount of gas absorbed by unit surface area is : (a,b,,k and n are constants; P=pressure of gas)

asked Sep 25, 2013 by meena.p

1 answer

The number of octahedral and tetrahedral holes respectively present in a hexagonal close packed (hcp) crystal of 'X' atoms are :

asked Sep 19, 2013 by meena.p

1 answer

$X$ is a random variable taking the values $3, 4 $and $12$ with probabilities $\large\frac{1}{3},\frac{1}{4}$ and $\large\frac{4}{7}.$ Then $E(X)$ is

asked May 28, 2013 by poojasapani_1

1 answer

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