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URL:https://www.learndesk.us/class/4866096718938112/lesson/2731b5fcff622cda4d06ef9744862ed5?ref=outlook-calendar
SUMMARY:Coal and petroleum - 31 Important Questions
DTSTART;TZID=America/Los_Angeles:20260511T190000
DTEND;TZID=America/Los_Angeles:20260511T200000
LOCATION:https://www.learndesk.us/class/4866096718938112/lesson/2731b5fcff622cda4d06ef9744862ed5?ref=outlook-calendar
DESCRIPTION: Q.1.Sunlight and air are inexhaustible natural resources. Comment.
Q.2.Write two important uses of coke.
Q.3.What steps would you suggest for the judicious use of fossil fuels
Q.4. Explain about coal tar.
Q.5.Where do we get coal and how is it formed
Q.6.Define the term ‘petrochemicals’.
Q.7.Name two products that you obtain from the destructive distillation of coal. What is the residue left in’ this process Give one main use of this residue
Q.8.Can forests help reduce the pollution caused by the burning of fossil fuels How
Q.9.None of the fuels is a clean fuel. Comment.
Q.10.Name some renewable sources of energy.
Q.11.Give some examples of fossil fuels.
Q.12.Name the elements present in coal.
Q.13.Which are the two main techniques of mining
Q.14.List four varieties of coal.
Q.15.Name the process of conversion of wood into coal.
Q.16.Mention the temperature at which destructive distillation is done.
Q. 17.When the crude oil is referred to be...

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