how to keep foods hot

Angle at centre = 150..

Manufacture of soap by the hot process involves the following step..

Raw dry rubber is heated with sulphur (5%-8% based on the requirement), zinc oxide (a filler, 5%) and accelerator (0.5% -1%) at 400-440K for about half an hour. As the sulphur quantity increases, the rubber becomes tougher. 50% sulphur gives ebonite (vulcanite) . An accelerator containing nitroge..

Biodiversity is not uniformly distributed across the geographical regions of the earth. Norma Myers developed the hot spots concept in 1988 to designate priority areas for in-situ conservation. The hot spots are the richest and the most threatened reservoirs of plant and animal ..

Ethanol loses hydrogen and gives acetaldehyde in the presence of hot reduced copper at 570K...

Hot concentrated nitric acid oxidises sulphur to sulphuric acid. Sulphur is further oxidised by the nascent oxygen to sulphur trioxide. Sulphur trioxide then combines with water to form sulphuric acid..

"Food chain is a series of groups of organisms called trophic levels, in which, there is repeated eating and eaten by so as to transfer food energ..

While studying the biotic components in an ecosystem we have realised that food prepared by green plants is consumed by a series of consumers, both herbivores and carnivores, and finally broken down into their elements and released back into nature by decomposers in nature. The nutritiona..

While studying the biotic components in an ecosystem we have realised that food prepared by green plants is consumed by a series of consumers, both herbivores and carnivores, and finally broken down into their elements and released back into nature by decomposers in natur..

Human Dependence on Plants and Animals for Food - Of all the living organisms, only plants are autotrophs i.e., they are capable of synthesizing their own food. Animals are heterotrophs i.e. they are incapable of synthesizing their own food. They depend on plants and o..