Chem in Everyday Life

Question 1

Diff between detergents and soap?

Answer 1

detergents make foam in hard water as well

Question 2

How are anionic detergents made?

Answer 2

Alkyl hydrogensulphates formed by treating long chain alcohols with concentrated sulphuric acid are neutralised with alkali to form anionic detergents.

Question 3

No. of C in lauryl sulphate

Answer 3

12

Question 4

Anionic detergents are also used in

Answer 4

toothpastes.

Question 5

Cationic detergents are quarternary
ammonium salts of amines with ___________
as anions

Answer 5

acetates, chlorides or bromides

Question 6

_____________ is a popular cationic detergent and is used in hair conditioners
Cationic detergents have __________ properties

Answer 6

Cetyltrimethylammonium bromide
(16C)
germicidal

Question 7

Example of non ionic detergent:

usage: ?

Answer 7

One such detergent is formed when stearic
acid reacts with polyethyleneglycol

dishwashing liquid

Question 8

Problem with highly branched detergent?

Answer 8

bacteria cannot degrade it easily

Question 9

Laundry soaps contain

fillers like __________________

Answer 9

sodium rosinate, sodium silicate, borax and sodium carbonate.

Question 10

Saccharin was discovered in ______. It is also called _____________. It is ______ times sweeter than sugar.

Answer 10

1879
Ortho-sulphobenzimide
550

Question 11

Aspartame is _____ times sweeter than sugar

Answer 11

100

It is methyl ester of dipeptide formed from aspartic acid and phenylalanine

Question 12

Sweetest sweetener? how much?

Answer 12

Alitame

2000 times sweeter

Question 13

Sucralose is ____ time sweeter

Answer 13

600

Sucralose is trichloro derivative of sucrose.

Question 14

Food preservative examples

Answer 14

sodium benzoate

Salts of sorbic acid and propanoic acid

Question 15

_____________________ are useful
antioxidants for wine and beer, sugar syrups and cut, peeled or dried
fruits and vegetables

Answer 15

Sulphur dioxide and sulphite

Question 16

Progesterone derivative?

Synthetic estrogen derivative?

Answer 16

Norethindrone

ethynylestradiol (novestrol)

Question 17

When did Paul Elhrich win Nobel Prize for salvarsan

Answer 17

1908

arsphenamine

Question 18

Bacteria causing syphilis?

Answer 18

spirochete

Question 19

Ehlrich discovered protonsil in?

Answer 19

1932

Question 20

When was penicillin discovered

Answer 20

1927

Question 21

In India, penicillin is manufactured at the

Answer 21

Hindustan Antibiotics in Pimpr

Question 22

_______________________- is rapidly absorbed from the gastrointestinal tract and hence can
be given orally in case of typhoid, dysentery, acute fever, certain form of urinary infections, meningitis and pneumonia.

Answer 22

Chloramphenicol

Question 23

The antibiotic _________ is supposed to be toxic towards certain
strains of cancer cells.

Answer 23

dysidazirine

Question 24

_____________ in alcoholwater mixture is known as

tincture of iodine.

Answer 24

2-3% iodine
0.2 per cent solution of phenol is an antiseptic while its one
percent solution is disinfectant.
Chlorine in the concentration of 0.2 to 0.4 ppm in aqueous solution
and sulphur dioxide in very low concentrations, are disinfectants.

Question 25

Aspirin inhibits the synthesis

of chemicals known as

Answer 25

prostaglandins

Question 26

Largest selling drug until ranitidine (Zantac) was found?

Answer 26

Tegamet

Question 27

Histamine contracts
the smooth muscles in the _________________ and relaxes other muscles,
such as those in the _______________.

Answer 27

bronchi and gut

walls of fine blood vessels