__________ occurs in the absence of air and in the presence of micro_organisms such as yeast.

Name the process . Ore heated in the absence of air .

How important is the presence of air bladder in Pisces?

Assertion: Agrolorestry, nutrlent cycllng between species improves and organic matter In the soil is maintained. Reason: Because of the absence of microorganisms, insects, and earthworm in the soil.

Isopropylbenzene on air oxidation in the presence of dilute acid gives

Fuel formed when organic waste is decomposed by micro-organism.

Write about the aerobic micro-organisms used in bioremediation.

Roasting is the process in which the ore is heated in the presence of excess air.

An element occupies group number 15 and period number 2 reacts with hydrogen under high pressure and in the presence of a catalyst it terms a hydride (A). In presence of excess of air and in the presence of platinum it forms an oxyacid (B). Identify the element, A and B.