List of top Questions asked in EAMCET- 2004

A spaceship is launched into a circular orbit of radius R close to the surface of earth. The additional velocity to be imparted to the spaceship in the orbit to overcome the earths gravitational pull is : (g = acceleration due to gravity)
What are X and Y in the reaction $ {{C}_{2}}{{H}_{4}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{80{{\,}^{o}}C}X({{H}_{2}}O./\Delta a)Y $
If the boiling point of ethanol (molecular weight = 46) is $ \text{78}{{\,}^{\text{o}}}\text{C,} $ what is the boiling point of diethyl ether ? (molecular weight =74)
Gun metal is an alloy of:
The values of four quantum numbers of valence electron of an element are $ n=4,l=0,m=0 $ and $ s=+\frac{1}{2}. $ The element is:
The number of oxygen atoms bonded to each phosphorus atom in P$_4O_{10}$ is
Identify the correct sequence of increasing number of a bonds in the structures of the following molecules: I. $ {{H}_{2}}{{S}_{2}}{{O}_{6}} $ II. $ {{H}_{2}}S{{O}_{3}} $ III. $ {{H}_{2}}{{S}_{2}}{{O}_{5}} $
In which of the following, there are 3 bp and 2 lp?
Xenon hexaflouride reacts with silica to form a xenon compound X. The oxidation state of xenon in X is:
Sulphur reacts with chlorine in 1:2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. What is the hybridisation state of central atom in the anion of F?
100 mL of 0.015 M HCl solution is mixed "with 100 mL of 0.005 M HCl. What is the pH of the resultant solution?
An element has 2 electrons in its K-shell, 8 electrons in L-shell, 13 electrons in M-shell and one electron in N-shell. The element is:
A body x with a momentum p collides with another identical stationary body y one dimensionally. During the collision y gives an impulse J to the body x. Then, the coefficient of restitution is:
At constant pressure, the ratio of increase in volume of an ideal gas per degree rise in kelvin temperature to its original volume is: (T = absolute temperature of the gas)
If a body moving in a circular path has constant speed, then there is no force acting on it. The direction of the velocity vector of a body moving in a circular path is changing.
At $ 0{}^\circ C $ , the densities of a cork and a liquid, in which the cork floats are $ {{S}_{1}} $ and $ {{S}_{2}} $ respectively. The coefficients of expansion of the material of the cork and the liquid are 100r and respectively. If the cork sinks when temperature of the liquid is t $ {}^\circ C $ , then the $ \left( \frac{{{P}_{2}}}{{{P}_{1}}} \right) $ is:
What is the formula of calgon?
The formula of exhausted permutait is:
A cannon of mass 1000 kg, located at the base of an inclined plane fires a shell of mass 100 kg in a horizontal direction with a velocity 180 km/h. The angle of inclination of the inclined plane with the horizontal is $ 45{}^\circ $ . The coefficient of friction between the cannon and the inclined plane is 0.5. The height, in m, to which the cannon ascends the inclined plane as a result of the recoil is: $ (g=10m/{{s}^{2}}) $
Four particles, each of mass 1 kg, are placed at the corners of a square of side 1m in the X- Y plane. If the point of intersection of the diagonals of the square, is taken as the origin, the co-ordinates of the centre of mass are:
The maximum height reached by a projectile is 4 m. The horizontal range is 12 m. Velocity of projection in ms-1, is : ( g = acceleration due to gravity)
A thin converging lens is made up of glass of refractive index 1.5. It acts like a concave lens of focal length 50 cm, when immersed in a liquid of refractive index $ \left( \frac{15}{8} \right) $ . The focal length of the converging lens in air is, in metre: