हिंदी

According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.

Advertisements
Advertisements

प्रश्न

According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.

विकल्प

  • Benzene

  • BHC

  • Chlorobenzene

  • Ethanol

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days BHC is used as insecticides.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 16: Green Chemistry and Nanochemistry - Multiple choice questions

APPEARS IN

एससीईआरटी महाराष्ट्र Chemistry [English] Standard 12 Maharashtra State Board
अध्याय 16 Green Chemistry and Nanochemistry
Multiple choice questions | Q 2

संबंधित प्रश्न

Choose the most correct option.

Which of the following is ϒ-isomer of BHC?


Name the γ-isomer of BHC.


How will you illustrate the use of a safer solvent and auxiliaries?


Answer the following:

Explain the atom economy with a suitable example.


Bottom ash of thermal power stations can be used as raw material for cement and brick industry. This example illustrates which of the following principle of green chemistry?


In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.


Mention the total number of principles of green chemistry.


Define atom economy.


Write one example of safer solvent and hazardous solvent.


Explain prevention of waste or by products which is one of the principles of green chemistry.


____________ can be categorised as a green solvent.


In the manufacture of phenol from isopropyl benzene, the important by-product obtained is ____________.


Drath and Frost developed a green technology for the synthesis of ____________.


The formula for percentage atom economy is:

`("Formula weight of the desired product")/("'X'") xx 100`

Here, 'X' is ____________.


Mandelonitrile is obtained by the reaction between hydrogen cyanide and ______.


Which of the following is recycled to prepare foam packaging and light switchplates?


All the following statements are CORRECT, EXCEPT:


Identify the use of polyethylene terephthalate.


Identify the polymer used in making floor tiles.


Calculate the atom economy of the following:

(At mass of C = 12, H = 1, 0 = 16)

\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]


How many principles does green chemistry have?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×