Which of the following is an azo dye?

Which one of the following frequencies of radiation (in $Hz$) has a wavelength of $600 \ nm$?

Let $f(x)$ be a polynomial of degree $3$ such that $f(-1) = 10$,$f(1) = -6$,$f(x)$ has a critical point at $x = -1$,and $f'(x)$ has a critical point at $x = 1$. Then $f(x)$ has a local minima at $x =$

Which of the following is a bidentate ligand?

$Neophron$ (vulture) and $Locusta$ (locust) show similarities with respect to the presence of

If $2.2 \, kW$ power is transmitted through a $10 \, \Omega$ line at $22000 \, V$,the power loss in the form of heat will be ............. $W$.