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Asked/Added Questions From NCERT:


Question 1. Asked on :06 September 2019:03:43:24 PM

 Give 4 uses of Coal tar.

-Added by PragyašŸ„° Choudhary Science » Petroleum

Answer:

priyanshu kumar
Coal tar is used in medicated shampoo, soap and ointment. It demonstrates antifungal, anti-inflammatory, anti-itch, and antiparasitic properties. It may be applied topically as a treatment for dandruff and psoriasis, and to kill and repel head lice. It may be used in combination with ultraviolet light therapy

-Answered by priyanshu kumar On 12 October 2019:04:34:48 PM


Question 2. Asked on :06 September 2019:03:41:34 PM

 How can we control or save petrol?

-Added by PragyašŸ„° Choudhary Science » Petroleum

Answer:

Master Purushottam
15 Ways to Save Fuel
  1. Avoid Long Idling. ...
  2. Clean Out the Trunk and Eliminate Unnecessary Weight. ...
  3. Keep Tires Inflated to the Correct Pressure. ...
  4. Don't Buy Premium Fuel. ...
  5. Encourage Drivers to Observe Posted Speed Limits. ...
  6. Shop Around for Best Fuel Prices. ...
  7. 7. Make Drivers Energy Conscious. ...
  8. Use Air Conditioning Sparingly.

-Answered by Master Purushottam On 06 September 2019:06:27:23 PM


Question 3. Asked on :06 September 2019:03:40:17 PM

 Explain the process of formation of Petroleum.

-Added by PragyašŸ„° Choudhary Science » Petroleum

Answer:

priyanshu kumar

 Petroleum was formed from dead organisms that got buried in the sea millions of years ago. ... Lack of air, high temperature, and high pressure transformed these dead organisms into petroleum and natural gas.


-Answered by priyanshu kumar On 08 October 2019:09:12:44 AM


 

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