The most common balancing anion for cations like Na^(+) and K^(+) in plant body is
(A) Boron
(B) Phosphoric acid
(C) Chlorine
(D) Sulfate

The anion - cation balance in plant cells is due to essential element like

In the given pair identify most acidic compound in (A) and (B). Most basic in (C) and (D).

A translucent white waxy solid (A) reacts with excess of chlorine to give a yellowish white powder (B). (B) reacts with organic compounds containing -OH group converting them into chloro derivatives. (B) on hydrolysis gives (C) and is finally converted to phosphoric acid. (A), (B) and (C) are

In which polymerisation branching of chain cannot be possible? (A) Free radical (B) Cationic (C) Anionic (D) Anionic and Ziegler-Natta

Starting from boric acid prepare : (a) Boric anhydride (b) Boron trichloride ( c) Boron trifluride (d) Metaboric acid ( e) Ethyl borate.

Which of the following types of natural selection is most common during periods of environmental changes like global warming? (A) Stabilizing (B) Sexual (C) Directional (D) Diversifying

Write the balanced equation involved in the preparation of (a) bleaching powder from slaked lime (b) nitric oxide from nitric acid ( c) chlorine from sodium chloride.