Let $f(x) = x^3 + bx^2 + cx + d$ where $0 < b^2 < c$. Then $f(x)$:

$4 \ g$ of a hydrocarbon on complete combustion gave $12.571 \ g$ of $CO_2$ and $5.143 \ g$ of water. What is the empirical formula of the hydrocarbon?

If $u=e^{x^2-y^2}$, then

In which of the following reactions will cyanide be obtained as a major product?

If the half-life of a reaction is halved when the initial concentration of the reactant is doubled,what is the order of the reaction?

Leaching of $Ag_2S$ is carried out by heating it with a dilute solution of