Q.2Name a few fuels used in our homes.
0.3 Name a few fuels used in trade and industry.
Q.4 What fuels are used for running automobiles?
0.5 What is the difference between the burning of a candle and burning of a fuel like
coal?
Q.6What is combustion?&@.
0.7Define a fuel?
0.8 (i) What are the essential condition required for combustion?
() What is the essential condition required for extinguishing fire?
0.9 What are inflammable substance? Give examples.
Q.10 In what form is LPG stored in cylinders?
Q.11 Name the most common fire extinguisher?
Q.12 Water is not suitable for extinguishing fires involving electrical equipment oil and
petrol. Why?
Q.13 Explain how CO, is able to control fires?
Plz give me answers clearly and Plz note the number of question that u have answered ☺️☺️☺️
Answers
Answer:
ans2 Gasoline - Essential for Transportation. ...
Natural Gas - Heating and Cooking. ...
Coal - Electric Power. ...
Alcohol - Gasoline Helper. ...
Uranium - Carbon-Free Power. ...
Water. ...
Solar Energy.
ans3 The most common fuels used in industries are coal, natural gas, diesel and LPG.
ans4 A motor fuel is a fuel that is used to provide power to motor vehicles. Currently, the majority of motor vehicles worldwide are powered by gasoline or diesel. Other energy sources include ethanol, biodiesel, propane, compressed natural gas (CNG), electric batteries charged from an external source, and hydrogen.
ans5 Candle burns with a flame but coal does not burns with a flame. Also coal is a carbon product and its burning is harmful for environment but candle is made from wax its burning is not as much harmful as burning of coal .
ans6 Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke
and7 A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. ... The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.