important facts of liquid nitrogen

Nitrogen - Nitrogen forms nearly 78% of the volume of air. Earlier, the useful significance of nitrogen was not known and it was considered to be inactive. At that time, nitrogen was considered important only because it was known to moderate the pro..

Some Important Facts to know - Scientists connected with improvement of crop varieties are called Plant Breeders. Triticale has been developed through hybridization between Wheat and Rye. A Gene Bank is an institution where valuable plant material likely to be lost in cultivatio..

Scientists connected with improvement of crop varieties are called Plant Breeder..

(CaSO 4 ) 2 .H 2 O Gypsum Calcium sulphate dihydrate CaSO 4 .2H 2 O Dead burnt plaster Calcium sulphate anhydrous CaSO 4 Lime stone Calcium carbonate CaCO 3 Some of the important compounds of sodium and calcium were ..

Since the denominator in the RHS of the above equation is less than 1, f 1 > f 2 . Thus, the increase in the apparent frequency is greater when the source approaches a stationary observer than, when the observer approaches a stationary source. In other words, Doppler effect in sound is..

Properties of Liquids - I - The important properties of liquids a..

Many liquid pollutants are evolved during the process of manufacturing pesticides, medicines and other chemicals. Liquid pollutants are also released during the process of refinement and processing. Some of them are dangerous and cause serious implications on drinking water qual..

Expansion of container with liquid In the figure L 1 represents the original level at the level of the liquid first falls to L 2 , because the container gets heat first. When the liquid gets heated, it expands much more than the container and its level rises ..

Nitrogen is an important structural component of many necessary compounds, particularly proteins. Atmosphere is the reservoir of free gaseous nitrogen and nitrogen compounds are found in bodies of organisms and in the soi..

>(vi) It is used by the chemical, petroleum, and paint industries to provide inactive atmosphere to prevent fires or explosions. (vii) It is used in the industrial preparation of ammonia, which is converted into ammonium salts, nitric acid, urea, calcium cyanamide fertilizers etc. (viii) Liqui..