- During hydrogenation process vegetable oil changes into soap, the process is called Saponification.
- Hydrocarbon, used as fuel, is the compounds of carbon and hydrogen only.
- Natural gas, petrol, diesel, gasoline and oil etc. are all Hydrocarbons.
- The percentage of methane in the natural gas 85-90%.
- Soap is the sodium or potassium salt of fatty acid.
- Animal’s fats and vegetable oils act as raw materials in making soap.
- Polythene is a Polymer.
- Plastics are polymers which are usually made from small molecules (monomers) under high pressure and temperature.
- Low density polythene made under a pressure of 2000 atmosphere at 200°C is used for making bags, sheet and in insulation.
- Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat.