List of top Questions asked in AP EAPCET- 2023

If standard molar enthalpy change and standard molar internal energy change measured in bomb calorimeter are equal, which one of the following statements is correct?
The sum of oxygen atoms in the formulae of peroxysulphuric acid and pyrosulphuric acid is

Which of the following exhibits optical isomerism?

1.06 g of Na$_2$CO$_3$ (molar mass = 106 g mol$^{-1}$) is dissolved in 500 g water. What is its molality?
Fusion between two similar gametes, two dissimilar gametes, and non-motile and motile gametes occurs in these organisms respectively.
If \( \Delta G \) and \( \Delta S \) for the reaction \( A(g) \to B(g) + 2C(g) \) at 2000 K are -40 kJ mol$^{-1}$ and 0.22 kJ K$^{-1}$ mol$^{-1}$, respectively, the change in internal energy for the same reaction approximately (in kJ mol$^{-1}$) is?
If the enthalpy and entropy change for a reaction at 298 K are -145 kJ mol$^{-1}$ and -650 J K$^{-1}$ mol$^{-1}$ respectively, which one of the following statements is correct?
Which of the following organisms exhibit regeneration?
Embryos of protostomes are called:
A first-order reaction has the rate constant of \(1.15 \times 10^{-3} \, \text{s}^{-1}\). The time required to reduce 10 g of reactant to 6 g is \(x \times 10^2\) sec. What is the approximate value of \(x\)?

Basicity order of the following amines in aqueous medium
i) N-Methylaniline i
i) N, N-Dimethylaniline 
iii) Aniline

The radius of the path of an electron moving at a speed of $ 3.2 \times 10^7 $ ms$ ^{-1} $ in a magnetic field of $ 6 \times 10^{-4} $ T perpendicular to it is (mass of electron is $ 9 \times 10^{-31} $ kg and charge of electron is $ 1.6 \times 10^{-19} $ C)
Arrange in sequence the following in mammary gland:
a. Mammary tubule
b. Mammary Ampulla
c. Alveoli
d. Mammary duct
e. Lactiferous duct
The energy (in J) released when an excited electron of 5$^{\text{th}}$ orbit of hydrogen atom returns to its ground state is
Heterozygous tall plants were crossed with dwarf plants. Then the percentage of dwarf plants produced in the next progeny is:
A monatomic gas of volume \( V \) and pressure \( P \) expands isothermally to a volume \( 27V \) and then compressed adiabatically to a volume \( V \). The final pressure of the gas is:
Two alkali halide salts, \[ \text{ACl} \] and \[ \text{BCI} \] gave crimson red and violet in their flame test respectively. A and B are respectively
Identify the correct matches:
NerveFunction / Target
A. Vagus nerveiii. Lungs, heart, oesophagus
B. Optic nerve iv. Retina of the eye
C. Hypoglossalii. Muscle of the tongue
D. Facial nervei. Palate, salivary glands
Protozoan in which cilia are confined only to juvenile stages is:
If the osmotic pressure of cane sugar solution is 2.46 atm at 27°C, then what is the concentration (in mol L\(^{-1}\)) of the solution (R = 0.0821 L atm mol\(^{-1}\) K\(^{-1}\))
Two square plates A and B have same thickness \( t \), material. B’s side is twice A’s. Find \( \frac{R_A}{R_B} \):
Two square plates A and B have same thickness t,
0.5g of non-volatile solute is added to 39g of Benzene. Then vapor pressure of solution is (vapor pressure of pure Benzene is 0.850 torr)
The magnitude of the magnetic field due to a circular coil of radius R carrying a current I at its centre is
In a dorsiventral leaf, the position of xylem
Which of the following drug is used on diseased skin surface?