Recent questions tagged q48

$HgCl_2$ and $I_2$ both when dissolved in water containing $I^{-}$ ions the pair of species formed is :

asked Nov 2, 2017 by meena.p

0 answers

We consider a thermodynamic system. If $\Delta U$ represents the increase in its internal energy and $W$ the work done by the system, which of the following statement is true?

asked Oct 10, 2017 by priyanka.c

2 answers

A uniform magnetic field of $3000\;G$ is established along the positive z- direction . A rectangular loop of sides $10\;cm$ and $5\;cm$carries a current of $12\;A$. What is the torque on the loop in the case as shown in the figure? What is the force in this case ?

asked Jul 28, 2015 by meena.p

1 answer

What are the factor does the potential gradient of the potentiometer wire depend ?

asked Jun 30, 2015 by meena.p

1 answer

If a point charge be rotated in an arc of radius r around a change q, what will be the workdone ? explain

asked Apr 24, 2015 by meena.p

1 answer

If a point charge be rotated in an arc of radius r around a change q, what will be the workdone ? explain

asked Apr 24, 2015 by meena.p

1 answer

Equation of a circle which passes through $(3,6)$ and touches the axes is

asked Oct 16, 2014 by sreemathi.v

1 answer

Which of the following statements is not correct ?

asked Jul 31, 2014 by thanvigandhi_1

1 answer

Find the standard deviation of the first n natural numbers.

asked Jul 9, 2014 by meena.p

1 answer

In how many number of ways can 10 students be divided into three teams,one containing four students and the other three?

asked Jun 20, 2014 by sreemathi.v

1 answer

The total number of ways in which six '+' and four '-' signs can be arranged in a line such that no two signs '-' occur together is

asked May 16, 2014 by sreemathi.v

1 answer

The value of $\sin\large\frac{\pi}{10}$$\sin\large\frac{13\pi}{10}$ is

asked Apr 21, 2014 by sreemathi.v

1 answer

Let the population of rabbits surviving at a time $'t'$ be governed by the differential equation $\large\frac{dp(t)}{dt}=\frac{1}{2}$$p(t)-200$ <br> If p(0)= 100, then what is the value of p(t)?

asked Apr 7, 2014 by sreemathi.v

1 answer

Which one of the following vitamins checks night blindness?

asked Mar 28, 2014 by thanvigandhi_1

1 answer

Which of the following gives positive carbylamine test?

asked Mar 26, 2014 by thanvigandhi_1

1 answer

In the commercial electrochemical process for aluminium extraction the electrolyte used is

asked Mar 17, 2014 by meena.p

1 answer

Calculate the value of equilibrium constant for a reaction at 400K \[\] $2NOCl(g)2NO(g) + Cl(g)$ \[\] $ \Delta S$ and $ \Delta H$ are 122 J/Kmol and 77.2 kJ/mol respectively.

asked Mar 17, 2014 by thanvigandhi_1

1 answer

Which of the following is a chain growth polymer?

asked Mar 10, 2014 by thanvigandhi_1

1 answer

The number of $\sigma$ and $\pi$-bonds between two carbon atoms in $CaC_2$ is

asked Mar 6, 2014 by sreemathi.v

1 answer

The number of nodal planes in $d_{xy}$ orbital is :

asked Mar 5, 2014 by sreemathi.v

1 answer

Which of the following orders regarding the basic strength of substituted aniline is correct

asked Mar 3, 2014 by sreemathi.v

1 answer

Arrange the following compounds in order of increasing dipole moment:- Toluene (I) ; m-dichorobenzene (II) ;o-dichlorobenzene (III) ; p- dichlorobenzene.(IV)

asked Feb 24, 2014 by meena.p

1 answer

Which of the following compounds form two isomeric oximes on reacting with $NH_2OH$

asked Feb 21, 2014 by sreemathi.v

1 answer

Which of the following equation is linear ?

asked Feb 5, 2014 by meena.p

1 answer

Find the equation of normal for the parabola $y^2=4ax$ in parametric form

asked Feb 5, 2014 by sreemathi.v

1 answer

The coordination number of central metal atom in a complex is determined by

asked Feb 3, 2014 by sreemathi.v

1 answer

If an experiment with 15 observations on $x$ the following results were available: $\Sigma x^2=2830 \: \Sigma x = 170$. One observation that was 20 was found to be wrong and was replaced by the correct value 30. The corrected variance is

asked Feb 1, 2014 by thanvigandhi_1

1 answer

The variance of $n$ natural number is

asked Jan 29, 2014 by thanvigandhi_1

1 answer

For approximately ten times increase in conductivity of a semiconductor the impurity to be added is of the order of

asked Jan 28, 2014 by meena.p

1 answer

A mixture of soda ash and pearl ash is known as

asked Jan 28, 2014 by sreemathi.v

1 answer

Strength of $2N$ $H_2O_2$ solution is approx

asked Jan 23, 2014 by sreemathi.v

1 answer

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