Chlorination of toluene in the presence of light and heat followed by treatment with aqueous $NaOH$ yields:

Kangaroo rat is found in:

The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature

The differential equation of the family of parabolas with vertex at $(0, -1)$ and having axis along the $Y$-axis is

The velocities of three particles of masses $20 \ g$,$30 \ g$ and $50 \ g$ are $10 \hat{i}$,$10 \hat{j}$ and $10 \hat{k}$,respectively. The velocity of the centre of mass of the three particles is

$y + x^2 = \frac{dy}{dx}$ has the solution