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Ortho-Nitrophenol is less soluble in water than p- and m- Nitrophenols because :

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If x, v and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then. Which of the following does not change with time ?

Solid Ba $(NO_{3})_{2}$ is gradually dissolved in 1 $1.0×10_{−4}M Na_{2}CO_{3}$ solution. At what concentration of $Ba_{2+}$ will a precipitate begin to form ? $(K_{sp}forBaCO_{3}=5.1×10_{−9})$

The value of $cot(cosec_{−1}35 +3tan_{−1}2 )$is:

Statement 1: For every natural number $n≥2$, \displaystyle\frac{{1}}{{\sqrt{}}}

Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire -2 has cross-sectional area 3A. If the length of wire 1 increases by $Δx$ on applying force F, how much force is needed to stretch wire 2 by the same amount ?

A focus of an ellipse is at the origin. The directrix is the line $x=4$and the eccentricity is 1/2. Then the length of the semimajor axis is

Given $E_{Cr_{3+}/Cr}=−0.72V,E_{Fe_{2+}/Fe}=−0.42V$. The potential for the cell $Cr/Cr_{3+}(0.1)∣∣ ∣∣ Fe_{2+}(0.01M)∣∣ ∣∣ Fe$ is

Let A(h, k), B(1, 1) and C(2, 1) be the vertices of a right angled triangle with AC as its hypotenuse. If the area of the triangle is 1, then the set of values which k can take is given by