List of top Questions asked in TS EAMCET- 2025

Which of the following compounds are correctly matched with their uses?

What are $\text{X}$ and $\text{Y}$ in the following reaction sequence?
$\text{C}_5\text{H}_{12}\text{O} \xrightarrow{\text{Cu}/573 \text{ K}} \text{C}_5\text{H}_{10} \xrightarrow{(\text{i}) \text{O}_3, (\text{ii}) \text{Zn}+\text{H}_2\text{O}} \text{X} + \text{Y}$

Which one of the following mixtures can be separated by steam distillation technique?

Consider the following statements
Statement - I : Natural rubber is a polymer of 2-chloro-1, 3-butadiene
Statement - II : 1, 3-Butadiene-styrene copolymer is synthetic rubber
The correct answer is

Which of the following processes are reversible? I. Vaporization of a liquid at its boiling point. II. Expansion of gas into vacuum. III. Transformation of a solid substance into liquid at its melting point. IV. Neutralization of an acid by a base.

Identify the incorrect statement from the following?

Which of the following is a lung irritant that can lead to an acute respiratory disease in children?

Composition of siderite ore is

Which of the following saccharides contain $\beta$-D-glucose units?

The force (F) required to maintain the flow of layers of a liquid is equal to (A = area of contact of layers, dz = distance between the layers, du = change in velocity, \(\eta\) = coefficient of viscosity)

The isobar of one mole of an ideal gas was obtained at P atm. The slope of the isobar is $0.82 L K^{-1}$. What is P (in atm)?

Dehydration of an organic acid X with concentrated \(\text{H}_2\text{SO}_4\) at 373K gives \(\text{H}_2\text{O}\) and gas Y. The hybridisation of the carbon in Y and nature of Y are respectively

Xenon hexafluoride on partial hydrolysis gives 'X' and HF. The shape of 'X' is

Identify the correct statements about lanthanoids
I. \(\text{Ce}^{4+}\) and \(\text{Tb}^{4+}\) act as oxidising agents
II. \(\text{Eu}^{2+}\) and \(\text{Yb}^{2+}\) act as oxidising agents
III. Mischmetal is an alloy of 95% iron and 5% lanthanoid metal
IV. \(\text{La}^{3+}\) and \(\text{Ce}^{4+}\) are diamagnetic in nature

What is the pH of 0.365% (w/V) HCl aqueous solution? (HCl=36.5 u), (log 0.365=−0.4377)

The ore of which metal is concentrated by leaching?

The radius of second orbit of hydrogen atom is same as that of orbit (n) of an ion (x). n and x are respectively

Sodium metal crystallises in a body centred cubic lattice with edge length of x Å. If the radius of sodium atom is 1.86 Å, the value of x is

A substance has a density of \( 2 \, \text{g cm}^{-3} \). It crystallizes in the fcc crystal with an edge length of 600 pm. The molar mass of the substance (in \( \text{g mol}^{-1} \)) is (\( N_A = 6 \times 10^{23} \, \text{mol}^{-1} \))

The correct statements about the products B and C in the given reactions are (Ethanol reacts with HCl/Anhy ZnCl$_2$ to give A. A reacts with ethanolic AgCN to give B (Minor) and C (Major)). I. B and C are functional isomers II. With H$_2$|Catalyst B gives 1$^\circ$ amine and C gives 2$^\circ$ amine III. B on acid hydrolysis gives formic acid and C gives C$_3$H$_6$O$_2$ IV. C forms isocyanate with HgO

The product 'C' in the given reaction sequence is

Which of the following statements is not correct?

The chemical X is used in the prevention of heart attack. The structure of X is

In which of the following, metal is not correctly matched with its refining process?

R\(\rightarrow\)P is a first order reaction. For this reaction a graph of ln[R] (on y-axis) and time (on x-axis) gave a straight line with negative slope. The intercept on y-axis is equal to (k=rate constant)