The sodium or potassium salts of long chain fatty acids are called soaps.
Sodium stearate C17, H35 CooNa.
There are many industrial chemicals like soap, detergents, fertilizers, paints, varnishes and plastics etc. which are use very commonly in our daily life… therefor a concrete knowledge about chemicals their preparations and uses Is of prime importance.
Physical Properties Of Sodium Hydroxide:
- Sodium-hydroxide is a white crystalline solid.
- It is hydroscopic in nature.
- It readily dissolves in water.
Petroleum As A Source Of Energy:
Petroleum is a big source of energy and the whole world meets its energy requirements principally from this source. However the important utilization of the petroleum energy is as under:
Caustic Soda or Sodium-hydroxide:
It is a white scopic solid substance which dissolves readily in water, its solution has soapy feeling and corrosive to skin. It is used in the manufacturing of soap.
Petroleum means rock oil. It is a mixture of hydrocarbons which occur as dark viscous liquid under the earth crust. For the extraction of petroleum a hole is digged in the earth crust.