Chemistry

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.

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.

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.

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.

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).

This is a short answer type question as classified in NCERT Exemplar

Antihistamines are the drugs which control the allergy effects produced by histamines. Antacids are the substances which neutralise gastric acidity. Antihistamine do not affect the secretion of acid in stomach and the reason is that both antiallergic and antacid drugs work on different receptors.

This is a short answer type question as classified in NCERT Exemplar

Aspirin prevents platelet coagulation and thus has antiblood clothing action, therefore, can prevent blood clotting in heart.

This is a short answer type question as classified in NCERT Exemplar

Tranquilizers are used in sleeping pills.

This is a short answer type question as classified in NCERT Exemplar

Antibiotic, arsphenamine possesses -As = As – linkage that resembles -N =N – linkages in azo dyes.

This is a short answer type question as classified in NCERT Exemplar

Ionic bonding, hydrogen bonding, van there Waals interaction, dipole-dipole interaction, etc., are involved in binding.