What is meant by rapid combustion give two examples?
Examples of Rapid combustion – – Lighting a candle – When heat is provided to a candle it burns and continues till the wax burns completely. – Burning of kerosene oil in a kerosene stove; it gives heat and light. – Immediate burning of cooking gas, it gives heat and light.
What are inflammable substances give example?
The substances which have very low ignition temperature and can easily catch fire with a flame are called inflammable substances. Examples of inflammable substances are petrol, alcohol, Liquified Petroleum Gas (LPG), etc.
What are types of combustion?
Types of Combustion Rapid combustion – When combustion occurs rapidly, it is called rapid combustion. Spontaneous combustion – The types of combustion in which material suddenly bursts into flames, without the application of any apparent cause is called spontaneous combustion. Eg, Burning of phosphorus.
Why is Sulphur not used as a fuel?
Sulphur is easily available in nature and can bum in air to produce heat. However, it is not a fuel because on burning, it forms a poisonous gas, SO2 , which can cause serious respiratory problems and can even be fatal.
What is the purpose of Sulphur?
Sulfur is used in the vulcanisation of black rubber, as a fungicide and in black gunpowder. Most sulfur is, however, used in the production of sulfuric acid, which is perhaps the most important chemical manufactured by western civilisations.
Which substance is present in fuel?
Many fuel gases are composed of hydrocarbons (such as methane or propane), hydrogen, carbon monoxide, or mixtures thereof.
Which type of flame is obtained by complete combustion of fuel?
Answer: All the gases which undergoes combustion produces flame. But only those solids and liquid fuels which vaporise on being heated,burn with the flame. Some of the substances which burn by producing flames are LPG, CNG, biogas, wax, camphor, magnesium, kerosene oil, mustard oil.
Which fuel need not burn with a flame?
Liquefied petroleum gas (LPG), also referred to as simply propane or butane are flammable mixtures of hydrocarbon gases, used as fuel in heating and cooking equipment and produce a blue flame. Camphor gives a flame, which is widely used in worship. Charcoal, does not vaporise and so, does not produce a flame.
Which of the following substance is not required for combustion?
(d) Carbon dioxide is not required for burning.
Which of the following is a combustion substance?
Explanation: Camphor, glass, straw can burn in air and they are combustible substance.
Which gas is required for the burning of any substance?
Oxygen is required for burning or combustion to take place.
Which gas is required for combustion of fuel?
oxygen
What gases are released burning petrol?
carbon dioxide gas