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For a particular reversible reaction at temperature T, $ΔHandΔS$ were found to be both $+ve$. If $T_{e}$ is the temperature at equilibrium, the reaction would be spontaneous when

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Four species are listed below i. $HCO_{3}$ (ii) $ii<iii<i<iv$ iii. $HSO_{4}$ iv $HSO_{3}F$ Which one of the following is the correct sequence of their acid strength ?

The two functional groups present in a typical carbohydrate are

An athlete in the olympic games covers a distance of 100 m in 10s. His kinetic energy can be estimated to be in the range

A spherical solid ball of volume V is made of a material of density \displaystyle\rho_{}

If the roots of the equation $bx_{2}+cx+a=0$be imaginary, then for all real values of x, the expression $3b_{2}x_{2}+6bcx+2c_{2}$is

The vapour pressure of water at $20_{2}C$ is 17.5 mm Hf. If 18 g of glucose $(C_{6}H_{12}O_{6})$ is added to 178.2 g of water at $20_{∘}C$, the vapour pressure of the resulting solution will be

The differential equation of the family of circles with fixed radius 5 units and centre on the line $y=2$is

If A, B and C are three sets such that $A∩B=A∩C$and $A∪B=A∪C$, then