Chemistry
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New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Analgesics are neurologically active pain killing drugs that reduce pain without causing impairment of consciousness, mental confusion, co¬ordination or paralysis or some other disturbances of nervous system. For example, aspirin, ibuprofen, paracetamol, diclofenac sodium, etc.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Soaps are biodegradable. The detergents are quite stable and are non- biodegradable because of branching in hydrocarbon chain hence cause water pollution. Therefore, it is safer to use soap from the environmental point of view.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Straight chain hydrocarbons in synthetic detergent leads to easy biodegrad-ability because the branched chain hydrocarbon tail is a source of pollution. Therefore, lesser the branching more is the biodegradability.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Micelle formation of the detergent can be shown as:
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Non-ionic detergents such as polyethylene glycol stearate are used as dishwashing soaps.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Cationic detergents such as cetyltrimethyl ammonium bromide are used in hair shampoos and hair conditioners.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Anionic detergents such as cetyltrimethyl ammonium bromide are used in hair shampoos and hair conditioners.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Detergents (which are not biodegradable) persist in water even after sewage treatment and that causes foaming in river water.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Acid-base titration can be used to determine the excess amount of alkali in soap. The excess alkali left after hydrolysis of oils or fats can be the source of alkalinity in soap.
New answer posted
a year agoContributor-Level 10
This is a short answer type question as classified in NCERT Exemplar
Soft soaps are potassium salts of fatty acids (such as palmitic acid, stearic acid and oleic acid).
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