List of practice Questions

The Gibbs' energy for the decomposition of $ {Al2O3 }$ at $500^{\circ} C$ is as follows: $ { \frac{2}{3} Al_2 O_3 -> \frac{4}{3} Al + O_2 ; \Delta_r G = + 960 \, kJ \, mol^{-1} }$ The potential difference needed for the electrolytic reduction of aluminium oxide $ {(Al2O3)}$ at $500^{\circ} C$ is at least

The gaseous hormone which induces the ripening of fruits is

The gastric juice contains:

The essential distinction between X-rays and $ \gamma - $ rays is that

The example of pivot joint is

The equation $y = 4cos(2\pi x)cos(2\pi t)$ represents

In the following which is not glyceride?

In the following which is soap?

The electronic configuration of actinides cannot be assigned with degree of certainty because of

Which of the following has electrovalent linkage?

The correct order of basic strength of $CH _{3} NH _{2}$ (I), $\left( CH _{3}\right)_{2} NH$ (II), $\left( CH _{3}\right)_{3} N$ (III), $C _{6} H _{5} CH _{2} NH _{2}$ (IV) in gaseous phase is

The correct structure of $ {Fe(CO)_5}$ is (at. no. of $Fe = 26$)

Single step large mutation leading to speciation is also called

Single step large mutation leading to speciation is also called:

Select the incorrect statement.

$[Sc(H_2O)_6 ]^{3+}$ ion is

Sago is obtained from

RNA polymerase- $II$ is responsible for transcription of

Reflex action is

Reaction of solid $KMnO_4$ with conc. $H_2SO_4$ produces manganese heptoxide $(Mn_2O_7)$ in

Plants are killed in winter by frost because

A cylindrical vessel is filled with a liquid of density $d$ upto a height $h$, if the vessel is at rest, then the pressure at the bottom is

Pick the correct statement

Pick out the incorrect statement from the following

Pick out the correct statement from the following: