$Al$ vessels should not be cleaned with materials containing washing soda because.......

The lines represented by the equation $x^2-y^2-x+3y-2=0$ are :

$A:$ Hormones are non-nutrient chemicals.
$B:$ They act as intercellular messengers and are produced in large amounts.

Which one of the following orders is correct for the first ionisation energies of the elements?

There is a uniform electric field of strength $10^3 \, V/m$ along the $y$-axis. $A$ body of mass $1 \, g$ and charge $10^{-6} \, C$ is projected into the field from the origin along the positive $x$-axis with a velocity of $10 \, m/s$. Its speed in $m/s$ after $10 \, s$ is (Neglect gravitation).

Clove oil is obtained from