हिंदी

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?

Advertisements
Advertisements

प्रश्न

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?

विकल्प

  • Atom economy.

  • Designing safer chemicals.

  • Design for energy efficiency.

  • Prevention of waste or by products.

MCQ
Advertisements

उत्तर

Prevention of waste or by products.

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

संबंधित प्रश्न

Name the γ-isomer of BHC.


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


Answer the following

Define catalyst.


Answer the following:

Explain the atom economy with a suitable example.


Answer the following

How will you illustrate the principle, minimization of steps?


Answer the following

Give two examples of catalysts.


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


Catalyst used for hydrogenation of oil is ___________


Mention the total number of principles of green chemistry.


Name the γ-isomer of Benzene hexachloride.


Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?


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


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


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?


Which of the following is recycled to make trash-can liners?


γ-isomer of BHC is called as ____________.


All the following statements are CORRECT, EXCEPT:


Identify the use of polyethylene terephthalate.


Calculate the atom economy of the following:

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

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


Which of the following is used as green solvent?


Which of the following is primary benzylic alcohol?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×