List of practice Questions

Pb and Sn are extracted from their chief ores by

$PCl_5$ is possible but $NCl_5$ does not exist :

Pd has exceptional configuration 4d$^{10}$ 5s$^\circ$. It belongs to

Peeling of ozone umbrella is due to

Parallel venation is a characteristic of monocots. Which of the following is an exception to this generalisation ?

Parazoology is science dealing with

Pasteur effect is concerned with the shifting of environmental conditions from

Pathophysiology is the

Palmate reticulate venation is convergent in

Palynology is study of

Panthera belongs to the family

P-V diagram of a diatomic gas is a straight line passing through origin. The molar heat capacity of the gas in the process will be (where $R$ is universal gas constant)

Pacemaker is situated in the

Pairs having the same units is

$P_4O_6$ is chemically related to which acid ?

$P$ is the probability of finding the 1s electron of hydrogen atom in a spherical shell of infinitesimal thickness $dr$, at a distance $r$ from the nucleus. The volume of this shell is $4\pi r^2dr$. The qualitative sketch of the dependence of $P$ on $r$ is

p $\Rightarrow$ q can also be written as

P.V.C. as obtained after polymerisation is

Ozone turns Benzidine paper

Ozonised oxygen can be obtained from $H_2O$ by the action of

$P_2O_5$ reacts with $H_2SO_4$ to give $SO_3\, and \, HPO_3$.Which property of $P_2O_5$ is depicted in this reaction ?

$P_4 + NaOH + H_2O \rightarrow NaH_2PO_3 + PH_3$ is

Ozone depletion is occurring widely in

Ozone hole refers to

Oxysomes or $F_0 - F_1$ particles occur on