What is the common name of bread mold?

Two bodies are thrown up at angles of $45^{\circ}$ and $60^{\circ}$,respectively,with the horizontal. If both bodies attain the same vertical height,then the ratio of velocities with which these are thrown is:

Which one has the maximum oxidation number of phosphorus?

What is the product formed when sodium is reacted with an excess of oxygen/air?

One mole of $N_2H_4$ loses $10$ moles of electrons to form a new compound $Z$. Assuming that all the nitrogen atoms appear in the new compound,what is the oxidation state of nitrogen in $Z$? (There is no change in the oxidation state of hydrogen.)

If $f(x) = \frac{x}{1+x}$ and $g(x) = f(f(x))$, then $g^{\prime}(x)$ is equal to