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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

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

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प्रश्न

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

पर्याय

  • Benzene

  • BHC

  • Chlorobenzene

  • Ethanol

MCQ
रिकाम्या जागा भरा
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उत्तर

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

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Principles of Green Chemistry
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 16: Green Chemistry and Nanochemistry - Multiple choice questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 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?


Write the formula to calculate the % atom economy.


Name the γ-isomer of BHC.


Answer the following

Define catalyst.


Explain any three principles of green chemistry.


Answer the following

Give two examples of catalysts.


Catalyst used for hydrogenation of oil is ___________


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


Mention the total number of principles of green chemistry.


Name the γ-isomer of Benzene hexachloride.


Define atom economy.


____________ 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 ______.


The international plastic recycle mark with 'Number 1' is given to ____________.


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


γ-isomer of BHC is called as ____________.


Identify the use of polyethylene terephthalate.


Identify the polymer used in making floor tiles.


Define the role of safer chemistry in accident prevention.


Calculate the atom economy of the following:

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

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


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