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JEE Main

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

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Let $α$and $β$be the roots of equation $x_{2}−6x−2=0$. If $a_{n}=α_{n}−β_{n},forn≥1$, then the value of $2a_{9}a_{10}−2a_{8} $is equal to:

Which of the following compounds will exhibit geometrical isomerism ?

As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion :

Let $T_{n}$be the number of all possible triangles formed by joining vertices of an n-sided regular polygon. If $T_{n+1}−T_{n}=10$, then the value of n is

An unknown alcohol is treated with the ''Lucas reagent'' to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism:

If $x=−1$and $x=2$are extreme points of $f(x)=αg∣x∣+βx_{2}+x$, then

Let $tan_{−1}y=tan_{−1}x+tan_{−1}(1−x_{2}2x )$, where $∣x∣<3 1 $. Then a value of y is :

Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?