Tag: chemistry in daily life

Questions Related to chemistry in daily life

Chloramine-T is a

  1. disinfectant

  2. antiseptic

  3. analgesic

  4. antipyretics


Correct Option: A
Explanation:

Chloramine –T is a disinfectant and an allergen. It is an organic sodium salt derivative of toluene-4-sulfonamide with a chloro substituent in place of an amino hydrogen.


Hence, option A is correct.

Difluorodiphenyl trichloroethane (DDFT) is a/an:

  1. refrigerant

  2. fungicide

  3. plastic

  4. antiseptic


Correct Option: B
Explanation:

Difluorodiphenyl trichloroethane (DDFT), similar to DDT, is used as a fungicide.

Which one of the following is used as a disinfectant in water treatment?

  1. Alum

  2. Charcoal

  3. Kieselguhr

  4. Potassium permanganate


Correct Option: D
Explanation:

Water disinfection means removal, deactivation or killing of pathogenic microorganisms. Microorganisms are destroyed or deactivated resulting in termination of growth and reproduction.

Potassium permanganate is a weak disinfectant, hence, used in water. 

What are used to kill or prevent the growth of bacteria?

  1. Antiseptics

  2. Antipyretic

  3. Antidiuretic

  4. Antibiotic


Correct Option: A,D
Explanation:
Antiseptics and antibiotics are the chemical substances which will prevent the growth of bacteria. Antipyretics are the chemical substances which reduce the body temperature. Antidiuretic is an agent that reduces the output of urine.

Formalin is the other name for:

  1. formic acid

  2. 40% solution of formaldehyde

  3. chloroform

  4. lodoform


Correct Option: B

These antiseptics can also be used as disinfectants, which depends on the concentration of the compound.

  1. True

  2. False


Correct Option: A
Explanation:

Disinfectants are antimicrobial agents that are applied to the surface of non-living objects.

Antiseptic can also be used as disinfectants which depends on the concentration of the compound. So, the statement is true.

Which of the following are natural antimicrobial chemicals secreted by the body?

  1. Lactic acid

  2. Urea

  3. Hydrochloric acid

  4. Lysozyme


Correct Option: A,C,D
Explanation:

An antimicrobial is an agent that kills micro-organisms or inhibits their growth.

HCl is secreted by the stomach. 
Lactic acid is naturally present in humans, as well as in animals. It is well known that it is formed from glycogen by muscle cells when the oxygen supply is inadequate to support energy production.
Lysozyme is present in the body, abundant in tears, saliva, mucus and milk.
Urea is a waste from the human body, not an antimicrobial.

It is found in such as which cause dysentery?

  1. Other microbes

  2. Bacteria

  3. Nutrients

  4. Inorganic impurities


Correct Option: A
Explanation:

Dysentery can be caused by bacteria, virus, or other parasites which cause inflammation of intestines accompanied by bloody diarrhoea.

Chloramine-T is a:

  1. disinfectant

  2. antiseptic

  3. analgesic

  4. antipyretic


Correct Option: B
Explanation:

Antiseptics drugs cause destruction of micro organisms, which produce septic diseases, eg. dettol, savlon, acriflavin, boric acid, phenol, iodoform, $KMn{O} _{4}$ and some dyes such as chloramine-T, methylene blue.