Which of the following crops produces recalcitrant seeds?

If the vector $a = 2\hat{i} + 3\hat{j} + 6\hat{k}$ and $b$ are collinear and $|b| = 21$,then $b$ is equal to:

The roots of the equation $x^3-14x^2+56x-64=0$ are in

Consider the reaction at $300\, K$:
$C_6H_{6(l)} + \frac{15}{2} O_{2(g)} \to 6 CO_{2(g)} + 3 H_2O_{(l)}$; $\Delta H = -3271\, kJ$
What is $\Delta U$ for the combustion of $1.5\, mol$ of benzene at $27\, ^\circ C$? .....$kJ$

If a complex number $z$ satisfies $|z^2-1|=|z|^2+1$,then $z$ lies on

Which of the following is the correct order of lattice energy for the given ionic compounds?