List of top Questions asked in AP EAPCET

The greater the valence of the flocculating ion added, the greater is its power to cause precipitation of a colloid. This rule is:
Which of the following statement(s) is/are correct?
Statement I: Boron does not exhibit allotropy
Statement II: Boron is extremely hard and black coloured solid
At 300 K, the following graph is obtained for one mole of an ideal gas. If its pressure is 10 atm, then its volume (in L) will be
What are x, y and z respectively in the following reaction?
\[ x \text{Fe}^{2+} (aq) + y \text{H}^{+} (aq) + z \text{Cr}_2\text{O}_7^{2-} (aq) \rightarrow \frac{y}{2} \text{H}_2\text{O} (l) + x \text{Fe}^{3+} (aq) + 2z \text{Cr}^{3+} (aq) \]
The following methods can not be used to remove permanent hardness of water:
Maximum number of electrons theoretically possible for an orbit with principal quantum number n = 6 in an atom is.
Which of the following statements are correct?
The correct order of electron gain enthalpy of N, O, Cl, Al is.
The total energy of an electron in an orbit of hydrogen atom is \( E \). The potential energy of the electron in the same orbit is
In a transistor amplifier, the voltage gain is
Two metal wires of same length, same area of cross-section have conductivities of their material \( \sigma_1 \) and \( \sigma_2 \). If they are connected in series, the effective conductivity is:
In the circuit, the cells are having negligible resistances. If the galvanometer shows null deflection, then the value of \( V \) is:
galvanometer shows null deflection,
The Curie temperature \( T_c \) represents:
A resistor of 100 \( \Omega \), an inductor of \( \frac{25}{\pi} \) mH, and a capacitor of 0.1 \( \mu \)F are connected in series to an ac source. The impedance of the circuit is minimum for a frequency of:
If the rms speeds of helium and oxygen are equal, then the ratio of the temperatures of helium and oxygen is:
The frequency of a light ray is \( 6 \times 10^{14} \) Hz. Its frequency when it propagates in a medium of refractive index 1.5, will be:
Two charges \( Q \) and \( 4Q \) are separated by a distance of 6 cm. The distance of the point from \( 4Q \) at which the net electric field is zero is:
The equivalent capacitance between A and B in the given figure is:
equivalent capacitance between A and B
A uniform solid sphere of mass \( M \) and radius \( a \) is surrounded by a concentric uniform thin spherical shell of mass 0.5M and radius 1.5a. The gravitational potential energy of a unit mass kept at a distance of 2.5a from the center is:
The phenomena of lowering freezing point of water by the application of pressure is known as:
A steel ball of mass 200 g falls freely from a height of 20 m and bounces to a height of 10.8 m from the ground. If the energy lost in this process is absorbed by the ball, the rise in its temperature is:
In a Carnot’s engine, as the gas absorbs heat energy from the source, then the temperature of the source:
A ball of mass 10 g is allowed to fall down from 10 m height. After collision with the ground, if 50\% of its energy is lost, then the height reached by the ball is:
The number of significant figures in 4.870 m is: