CBSE 12th Standard Chemistry Subject Chemistry in Everyday Life Ncert Exemplar 2 Mark Questions 2021
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CBSE 12th Standard Chemistry Subject Chemistry in Everyday Life Ncert Exemplar 2 Mark Questions 2021
12th Standard CBSE
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Reg.No. :
Chemistry
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Hair shampoos belong to which class of synthetic detergent ?
(a)Cationic detergents:
Cation detergents (like cetyltrimethyl ammonium bromide) are used as hair conditioners in hair shampoos. -
How does the branching of hydrocarbon chain of synthetic detergents affect their biodegradability?
(a)Lesser the branching, more will be biodegradability.
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What are antagonistic drugs?
(a)Drugs that bind to the receptor site and inhibit the natural function are called antagonistic drugs.
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If soap has high alkali content it irritates skin. How can the amount of excess alkali be determined? What can be the source of excess alkali?
(a)
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CBSE 12th Standard Chemistry Subject Chemistry in Everyday Life Ncert Exemplar 2 Mark Questions 2021 Answer Keys
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Cation detergents (like cetyltrimethyl ammonium bromide) are used as hair conditioners in hair shampoos.
Cation detergents (like cetyltrimethyl ammonium bromide) are used as hair conditioners in hair shampoos.
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Smaller the branching, larger the biodegradability of a detergent, i.e. detergents with long straight chains of hydrocarbon are more easily degraded than those
having branched hydrocarbon chains.Smaller the branching, larger the biodegradability of a detergent, i.e. detergents with long straight chains of hydrocarbon are more easily degraded than those
having branched hydrocarbon chains. -
Drugs that bind to the receptor site and inhibit its natural function are called antagonists.
Drugs that bind to the receptor site and inhibit its natural function are called antagonists.
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Acid-Base titration can be used to determine the excess amount of alkali in the soap. The excess alkali left after hydrolysis of oil can be source of alkalinity in soap.
