use of liquid nitrogen

>(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 et..

Liquid hydrogen is used as an important rocket fuel because of its low mass and high enthalpy of combustion. The chemical reaction involved is:..

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..

If a bottle of perfume is opened in one corner of a room, it spreads in the whole room by diffusion. If you drop a little ink in a beaker of water it will spread by itself in the beaker of water and the color spreads uniformly. Diffusion is the natural process of intermingling of the molecules of..

Find the object that can be used as a tool to measure the quantity of liquid in the jug. => Figure 2 or Figure 1 or Both of these or None of these..

Find the object that can be used as a tool to measure the quantity of liquid in the jug. => Figure 1 or Figure 2 or Both of these or None of these..

Nitric oxide and nitrogen dioxide are important in the manufacture of nitric acid and nitrate fertilizers. In recent years, N 2 O 4 has been used as an oxidizer for rocket fuels in missiles and space vehicle..

Liquid propellants are widely used as rocket fuels. They can be monopropellants or biliquid propellants based on the number of liquids in the propellant mixtur..

We can investigate pressure in a liquid by using the apparatus shown in figure belo..

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 ..