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AP EAMCET
List of top Questions asked in AP EAMCET
The flux used in the preparation of wrought iron from cast iron in reverberatory furnace is:
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
\includegraphics[width=4cm]{148.png}
X, Y are oxoacids of phosphorous. The number of P – OH bonds in X, Y respectively is:
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
Which of the following occurs with KMnO\(_4\) in neutral medium?
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
The enamel present on teeth becomes much harder due to the conversion of hydroxyapatite into fluorapatite. What are \( X \) and \( Y \)?
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
What are \( X \) and \( Y \) respectively in the following reaction sequence?
\begin{center} \includegraphics[]{139.png} \end{center}
AP EAMCET - 2024
AP EAMCET
Chemistry
Rate of a Chemical Reaction
Identify the incorrect set from the following:
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
What is the boiling point (in K) of the urea solution from the given graph?
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
Evaluate the correctness of the given statements.
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
The number of extensive properties in the following list is:
Enthalpy, density, volume, internal energy, temperature.
AP EAMCET - 2024
AP EAMCET
Chemistry
properties of d block elements
The values of \( a \) and \( b \) in the solubility product equation for barium phosphate are:
AP EAMCET - 2024
AP EAMCET
Chemistry
Bohr’s Model for Hydrogen Atom
Hydrated sodium aluminum silicate is called:
AP EAMCET - 2024
AP EAMCET
Chemistry
Stereoisomers
Which one of the following statements is NOT correct about the compounds of alkaline earth metals?
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
Consider the following standard electrode potentials (\(E^\circ\) in volts) in aqueous solution:
\includegraphics[]{135.png}
Based on this data, which of the following statements is correct?
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
Which of the allotropic forms of carbon is aromatic in nature?
AP EAMCET - 2024
AP EAMCET
Chemistry
Dual nature of radiation and matter
The correct order of atomic radii of N, F, Al, Si is:
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
The correct order of covalent bond character of \( BCl_3, CCl_4, BeCl_2, LiCl \) is:
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
In which of the following pairs, both molecules possess dipole moment?
AP EAMCET - 2024
AP EAMCET
Chemistry
Methods Of Purification Of Organic Compounds
Three layers of liquid are flowing over a fixed solid surface as shown below. The correct order of velocity of liquid in these layers is:
\includegraphics[]{127.png}
AP EAMCET - 2024
AP EAMCET
Chemistry
The solid state
Identify the correct equation relating \( \Delta H \), \( \Delta U \), and \( \Delta T \) for 1 mole of an ideal gas (R = gas constant):
AP EAMCET - 2024
AP EAMCET
Chemistry
Mole concept and Molar Masses
The surface areas of two nuclei are in the ratio \( 9:25 \). The mass numbers of the nuclei are in the ratio:
AP EAMCET - 2024
AP EAMCET
Physics
The solid state
Pure silicon at 300K has equal electron and hole concentration of \( 1.5 \times 10^{16} \) m\(^{-3}\). If the hole concentration increases to \( 3 \times 10^{22} \) m\(^{-3}\), then the electron concentration in the silicon is:
AP EAMCET - 2024
AP EAMCET
Physics
The solid state
In an \( npn \) transistor circuit, the collector current is \( 10 \) mA. If \( 95% \) of the electrons emitted reach the collector, then the base current is nearly:
AP EAMCET - 2024
AP EAMCET
Physics
Electric Current
A transmitter of power 10 kW emits radio waves of wavelength 500 m. The number of photons emitted per second by the transmitter is of the order of:
AP EAMCET - 2024
AP EAMCET
Physics
Electromagnetic waves
The difference in radii between fourth and third Bohr orbits of \( He^+ \) (in m) is:
AP EAMCET - 2024
AP EAMCET
Chemistry
Bohr’s Model for Hydrogen Atom
If \( \lambda_0 \) and \( \lambda \) are respectively the threshold wavelength and wavelength of incident light, the velocity of photoelectrons ejected from the metal surface is:
AP EAMCET - 2024
AP EAMCET
Chemistry
Dual nature of radiation and matter
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