Polar example sentences

These polar stratospheric clouds provide surface on which chlorine nitrate formed (reaction iv) gets hydrolysed to form hypochlorous acid (reaction ).Tundra vegetation of cold Polar Regions comprise of mosses and lichens.The increase in the greenhouse gases is raising the temperature of the earth's atmosphere which, if not checked, may eventually result in melting of polar ice caps and consequently may submerge the costal land mass.What do you think about solubility of alkanes in water based upon nonpolar nature of alkanes? Petrol is a mixture of hydrocarbons and is used as a fuel for automobiles.Among the mood disorders, the lifetime risk of a suicide attempt is highest in case of bipolar mood disorders.As one approaches the polar regions, one finds larger and larger populations of fewer and fewer species.Bipolar mood disorders were earlier referred to as manic-depressive disorders.Climate: People usually avoid extreme climates that are very hot or very cold like Sahara desert, polar regions of Russia, Canada and Antarctica.Factors Predisposing towards Depression : Genetic make-up, or heredity is an important risk factor for major depression and bipolar disorders.But it should be noted that while comparing elements in the same group of the periodic table, H-A bond strength is a more important factor in determining acidity than its polar nature.Alkanes are almost non-polar molecules because of the covalent nature of C-C and C-H bonds and due to very little difference of electronegativity between carbon and hydrogen atoms.In case of a non-polar (covalent) solvent, solvation enthalpy is small and hence, not sufficient to overcome lattice enthalpy of the salt.All other alkenes are colourless and odourless, insoluble in water but fairly soluble in nonpolar solvents like benzene, petroleum ether.Alkenes as a class resemble alkanes in physical properties, except in types of isomerism and difference in polar nature.These processes harden the stand of each side leading to ingroup polarisation.