Question

Q1. Distinguish between Biogas and Natural Gas with one example each. (2)
Q2. List down any two significance of steel. (2)
Q3. State any two reasons that why was Wootz Steel Making process completely lost by the
mid-19th century? (2)
Q4. What are the consequences of Marginalization? (2)
Q5. How did the Dalits assert themselves? (3)
Q6. How is Hydro Electricity produced? (3)
Q7. Write a note on Public Interest Litigation. (3)
Q8. Give the description of growth of Cotton Mills in India? (3)
Q9. Define Mineral? Where are minerals found? (1+3 =4)

Answer 1

Explanation:

1.natural gas is made up of methane and also contains ethane..where as biogas is made up of methane ans carbon dioxide....

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Answer 2

Explanation:

The gaseous fuel formed from the conversion of organic waste such as dead plant, animal material, animal dung and kitchen waste is called biogas. Whereas, natural gas is extracted with petroleum deposits when crude oil is brought to the surface. ...

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