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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Explain why some times foaming is seen in river water near the place where sewage water is poured after treatment? - Chemistry

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प्रश्न

Explain why some times foaming is seen in river water near the place where sewage water is poured after treatment?

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उत्तर

Detergents (which are not biodegradable) persist in water even after sewage treatment and that causes foaming in river water.

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अध्याय 16: Chemistry In Everyday Life - Multiple Choice Questions (Type - I) [पृष्ठ २३४]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 16 Chemistry In Everyday Life
Multiple Choice Questions (Type - I) | Q 45 | पृष्ठ २३४

संबंधित प्रश्न

Explain the following term with a suitable example:

Cationic detergents


Explain the following terms with suitable examples - Anionic detergents


Explain the following terms with suitable examples - Non-ionic detergents


Label the hydrophilic and hydrophobic parts in the following compounds.

CH3(CH2)10CH2OSO3 Na+


What are anionic detergents? Give an example ?


Define the following term with a suitable example: 
Cationic detergents


What type of detergents are used in toothpaste? 


Polyethyleneglycols are used in the preparation of which type of detergents?


Which of the following are anionic detergents?

(i) Sodium salts of sulphonated long-chain alcohol.

(ii) Ester of stearic acid and polyethylene glycol.

(iii) Quarternary ammonium salt of amine with acetate ion.

(iv) Sodium salts of sulphonated long-chain hydrocarbons.


Which category of the synthetic detergents is used in toothpaste?


Synthetic detergents have advantage over usual soaps as far as cleansing power is concerned. But use of synthetic detergents over a long time creates environmental pollution. How can the pollution caused by synthetic detergents be minimised? Classify the detergents according to their chemical nature.


Explain the following term with suitable examples.

cationic detergents


Explain the following term with suitable example cationic detergents.


Explain the following term with a suitable example:

Cationic detergents


Explain the following term with suitable example.

Cationic detergents


Explain the following term with suitable example:

cationic detergents


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