List of top Questions asked in TS EAMCET

The iodine oxide which is used in the estimation of carbon monoxide is:

Which of the following oxoacids of phosphorus has two P-H bonds?

The metal having the highest melting point among lanthanides is

Which of the following is correct?

The amino acid obtained from cheese is

Which of the following is used as a substitute for sucrose?

An alkene \( X \) (\( C_5H_{10} \)) on reaction with \( HBr \) gave \( Y \) (\( C_5H_{11}Br \)). \( Y \) undergoes hydrolysis via an \( S_N1 \) mechanism. What is \( X \)?

Which of the following sequence of reagents converts benzoic acid to benzaldehyde?

An organic compound \( C_7H_5N \) on reduction with reagent X gave Y. Reaction of Y with p-toluene sulphonyl chloride gave Z which is insoluble in alkali. X and Y respectively are:

At 300 K, aqueous KCl and aqueous K$_2$SO$_4$ solutions were electrolyzed separately using Pt electrodes. The gases liberated at cathodes in these two electrolytic processes are respectively:

Two statements are given below Statement I: Liquid A and liquid B form a non-ideal solution with positive deviation. \hspace{0.5cm} The interactions between A and B are weaker than A–A and B–B interactions. Statement II: For an ideal solution, \(\Delta_{\text{mix}} H = 2 \text{ kJ mol}^{-1} \); \(\Delta_{\text{mix}} V = 0\).

Identify the correct statements from the following: I. \( H_2O_2 \) oxidizes PbS to \( PbSO_4 \)
II. \( H_2O_2 \) is used in the industrial preparation of sodium perborate
III. \( H_2O_2 \) is insoluble in water

A hydrocarbon has 85.7\% of carbon by weight. 56 g (2 moles) of hydrocarbon was completely burnt in oxygen and obtained \( CO_2 \) and \( H_2O \). What is the weight (in g) of \( CO_2 \) formed? - (C = 12 u, H = 1 u, O = 16 u)

The electron gain enthalpy (in kJ/mol) of oxygen, sulphur, selenium respectively are

In a common emitter transistor circuit, if the emitter current is changed by 4 mA, the collector current changes by 3.5 mA, then the current gain is

If two electromagnetic waves with electric fields given by \[ \vec{E_1} = E_0 \sin (kx - \omega t) \hat{j} \] and \[ \vec{E_2} = E_0 \sin (kx - \omega t + \pi) \hat{j} \] - interfere, then the peak value of the electric field of the resultant wave is

An electron moving with a velocity of \(4.8 \times 10^6 \, \text{ms}^{-1}\) enters a uniform magnetic field of \(0.182 \, T\) in a direction perpendicular to the field. - The radius of the circular path in which the electron moves under the influence of the magnetic field is - (Mass of electron \(= 9.1 \times 10^{-31} \, kg\) and charge of electron \(= 1.6 \times 10^{-19} \, C\))

A long solenoid of length \(75\) cm carries a current of \(3.5\) A. If the number of turns of the solenoid is \(600\), the magnitude of the magnetic field inside the solenoid is

The coefficient of performance of a refrigerator is 5. If it is placed in a room at a temperature of 39°C, the temperature inside the refrigerator is:

A convex lens of focal length 10 cm is placed coaxially at a distance of 4 cm to the right of another convex lens of focal length 16 cm. If an object is placed at a distance of 8 cm to the left of the convex lens of focal length 16 cm, then the distance of the final image from the object is:

A soap bubble is given a negative charge. The pressure inside the bubble: