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Q JEE MAIN 2025
A rod of length 5 L is bent right angle keeping one side length as 2 L .
JEE Main Physics Easy
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Q JEE MAIN 2025
The percentage increase in magnetic field (B) when space within a current carrying solenoid is filled with magnesium (magnetic susceptibility $...
JEE Main Physics Hard
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Q JEE MAIN 2025
A compound ' $X$ ' absorbs 2 moles of hydrogen and ' $X$ ' upon oxidation with $\mathrm{KMnO}_{4}{ }^{*} \mathrm{H}^{+}$gives The total number of $\sigma$...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The bond dissociation enthalpy of $\mathrm{X}_{2} \Delta \mathrm{H}_{\text {bond }}^{\circ}$ calculated from the given data is $\_\_\_\_$ $\mathrm{kJmol}{ }^{-1}$. (Nearest integer) \end{enumerate} $$ \begin{aligned} &...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
When 81.0 g of aluminium is allowed to react with 128.0 g of oxygen gas, the mass of aluminium oxideproduced in grams is $\_\_\_\_$ (Nearest...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
0.01 mole of an organic compound $(X)$ containing $10 \%$ hydrogen, on complete-combustion produced$0.9 \mathrm{gH}_{2} \mathrm{O}$. Molar mass of $(\mathrm{X})$ is $\_\_\_\_$ $\mathrm{gmol}^{-1}$.
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Consider the following sequence of reactions. Total number of $\mathrm{sp}^{3}$ hybridised carbon atoms in the major product C formed is $\_\_\_\_$ .
JEE Main Chemistry Hard
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Q JEE MAIN 2025
Standard electrode potentials for a few half cells are mentioned below : $\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\circ}=0.34 \mathrm{~V}, \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{\circ}=-0.76 \mathrm{~V}$ $...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
Identify $\mathrm{A}, \mathrm{B}$ and C in the given below reaction sequence
JEE Main Chemistry Easy
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Q JEE MAIN 2025
The ascending order of relative rate of solvolysis of following compounds is :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Identify the coordination complexes in which the central metal ion has $d^{4}$ configuration. Choose the correct answer from the options given below :
JEE Main Chemistry Medium
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Q JEE MAIN 2025
The $\alpha$-Helix and $\beta$-Pleated sheet structures of protein are associated with its :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
A vessel with square cross-section and height of 6 m is vertically partitioned. A small window of $100c{m^2}$ with hinged door is fitted at a...
JEE Main Physics Easy
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Q JEE MAIN 2025
A steel wire of length 2 m and Young's modulus $2.0 \times {10^{11}}N{m^{ - 2}}$ is stretched by a force. If Poisson ratio and transverse...
JEE Main Physics Medium
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Q JEE MAIN 2025
A person travelling on a straight line moves with a uniform velocity ${v_1}$ for a distance x and with a uniform velocity ${v_2}$ for the...
JEE Main Physics Medium
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Q JEE MAIN 2025
${\gamma_A}$ is the specific heat ratio of monoatomic gas A having 3 translational degrees of freedom. ${\gamma_B}$ is the specific heat ratio of polyatomic gas...
JEE Main Physics Easy
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Q JEE MAIN 2025
If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the...
JEE Main Physics Medium
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Q JEE MAIN 2025
Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Given below are two statements about X -ray spectra of elements : Statement (I): A plot of $\sqrt{v}$ ( $v=$ frequency of X-rays emitted) vs...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Identify the products [A] and [B], respectively in the following reaction:
JEE Main Chemistry Medium
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Q JEE MAIN 2025
A river is flowing from west to east direction with speed of $9km{h^{-1}}$ . If a boat capable of moving at a maximum speed of...
JEE Main Physics Easy
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