Recent questions tagged easy

The value of $K^{sp}$ of $HgCl_2$ at room temperature is $4 \times 10^{-15}$. The concentration of $Cl^-$ ion in its aqueous solution at saturation point is

asked Nov 27, 2013 by mosymeow_1

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The dissociation constants of two acids $HA_1$ and $HA_2$ are $3.0 \times 10^{-4}$ and $1.8 \times 10^{-5}$ respectively. The relative strengths of the acids will be

asked Nov 27, 2013 by mosymeow_1

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Four equal and parallel forces are acting on a rod at distances of 20 cm, 40 cm, and80cm respectively , from one end of rod. Under the influence of these forces, the rod is

asked Nov 27, 2013 by meena.p

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The state of hybridization of Boron in $BCl_3$

asked Nov 27, 2013 by sreemathi.v

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A body is rotating uniformly about a vertical axis fixed in an initial frame. The resultant force on a particle not on the the axis is

asked Nov 27, 2013 by meena.p

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Oxydazation states of oxygen are :

asked Nov 27, 2013 by sreemathi.v

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The correct sequence is : For -Acidic Nature

asked Nov 27, 2013 by sreemathi.v

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$SF_6$ is more reactive than $TeF_6$.The above statement is

asked Nov 27, 2013 by sreemathi.v

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Bleaching powder formulae

asked Nov 27, 2013 by sreemathi.v

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$IF_7$ hybridization

asked Nov 27, 2013 by sreemathi.v

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$2NaOH+2F_2\rightarrow 2NaF+x+y$.$x$ & $y$ are

asked Nov 27, 2013 by sreemathi.v

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$CO+Cl_2\overset{sun\;light}{\rightarrow}$$x$. $x$ is

asked Nov 27, 2013 by sreemathi.v

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$CHCl_3$ is known as

asked Nov 27, 2013 by sreemathi.v

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Structure of $HClO_4$ is

asked Nov 27, 2013 by sreemathi.v

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Industrially chlorine is prepared

asked Nov 27, 2013 by sreemathi.v

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AB and CD are two identical rods each of length l and mass m joined to form a cross. The moment of inertia of three two rods about a bisector XY of angles between the rods is

asked Nov 27, 2013 by meena.p

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A solid sphere of mass M, radius R and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness t, whose moment of inertia about axis passing through its edge and perpendicular to the plane remains I. Then, radius of the disc will be

asked Nov 26, 2013 by meena.p

1 answer

Bond angle of $H_2O$ is

asked Nov 26, 2013 by sreemathi.v

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In a rectangular lamina shown in figure $AB= \large\frac{BC}{2}$. The moment of inertia of the lamina is minimum along the axis passing through

asked Nov 26, 2013 by meena.p

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A thin rod of length l and mass m is turned at mid- point 0 at an angle of $60^{\circ}$ . The moment of inertia of the rod about an axis passing through 0 and perpendicular to the plane of the rod will be

asked Nov 26, 2013 by meena.p

1 answer

Allotropes of oxygen are :

asked Nov 26, 2013 by sreemathi.v

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Shape of $H_2S$ is

asked Nov 26, 2013 by sreemathi.v

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Moment of inertia of a uniform rod of length L and mass M, about an axis passing through $L/4$ from one end and perpendicular to its length is

asked Nov 26, 2013 by meena.p

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How does stability of chalcogens vary

asked Nov 26, 2013 by sreemathi.v

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Lithium doesn't form Alum

asked Nov 26, 2013 by sreemathi.v

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DiBorane hybridazition is

asked Nov 26, 2013 by sreemathi.v

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Borax formulate :

asked Nov 26, 2013 by sreemathi.v

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The Reductance of 'ns' electrons towards participation in bond formation is known as

asked Nov 26, 2013 by sreemathi.v

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Moment of inertia of a square lamina about one of the diagonals is :

asked Nov 26, 2013 by meena.p

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The structure of $N_2O$ is

asked Nov 26, 2013 by sreemathi.v

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The reducing nature of the hydrides

asked Nov 26, 2013 by sreemathi.v

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In the following which is correct in stability order

asked Nov 26, 2013 by sreemathi.v

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Name the metalloid present in V A Group

asked Nov 26, 2013 by sreemathi.v

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$NO$ belongs to which category?

asked Nov 26, 2013 by sreemathi.v

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Stability order of VA group hydrides is

asked Nov 26, 2013 by sreemathi.v

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What acts as a catalyst in cyanamids process

asked Nov 26, 2013 by sreemathi.v

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The Bond angle of Ammonia

asked Nov 26, 2013 by sreemathi.v

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Metallic nature in V-A elements

asked Nov 26, 2013 by sreemathi.v

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$NH_3$ can be prepared by

asked Nov 26, 2013 by sreemathi.v

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Which acid is manufactured by Ostwald's process

asked Nov 26, 2013 by sreemathi.v

1 answer

The general electronic configuration of p-block elements is

asked Nov 26, 2013 by sreemathi.v

1 answer

Moment of inertia of a rectangular plate about an axis passing through its centre and perpendicular to its plane

asked Nov 25, 2013 by meena.p

1 answer

The moment of inertia of a uniform rectangular plate about an axis passing through its midpoint and parallel to its length l is

asked Nov 25, 2013 by meena.p

1 answer

If the moment of inertia of a disc about an axis tangential and parallel to the surface is I.Then find the moment of inertia about the axis tangential but perpendicular to the surface in terms of the I?

asked Nov 25, 2013 by meena.p

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Three rings each of mass M and radius R are arranged as shown. The moment of inertia of the system about $YY'$ will be

asked Nov 25, 2013 by meena.p

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The moment of inertia of a sphere of mass M and radius R about an axis passing through centre is $\large\frac{2}{5}\;$$MR^2$. The radius of gyration of the sphere about a parallel axis to the sphere is

asked Nov 25, 2013 by meena.p

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On a uniform rod of length l and mass M, two identical masses m are kept at the extreme ends. What is the moment of inertia of the system about an axis passing through its center and perpendicular to its length ?

asked Nov 25, 2013 by meena.p

1 answer

A torque of $20\; Nm$ acting on a rigid body produces are angular acceleration of $4 rad /s^2$ What is the moment of inertia of the rigid body rotating about the fixed axis?

asked Nov 25, 2013 by meena.p

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A torque of $30\; N-m$ is applied on a 5 kg wheel whose moment of inertia is $2 kg\;m^2$ for $10 \;seconds$. The angle covered by the wheel in $10\; s$ will be

asked Nov 25, 2013 by meena.p

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A wheel has moment of inertia $5 \times 10^{-3} kg m^2$ and is making $20\; kw/s$ The torque needed to stop it in 10 s is

asked Nov 25, 2013 by meena.p

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