Detergent and sweeteners

Question 1

Ortho sulpho benzimide is called

Answer 1

saccharin

Question 2

3 properties of saccharin

Answer 2

550 times sweeter than cane sugar
Comes out of body unchanged
Good for diabetic ppl
(saccha means true, so comes out as it is and helps diabetic ppl)

Question 3

3 properties of aspartame

Answer 3

100 times as sweet as cane sugar
Methyl Ester prepared from aspartic acid and phenylalanine
Unstable at cooking temp, thus fit only for soft drinks
(spa needs AC so cold temp)

Question 4

Alitame problem

Answer 4

Control of sweetness difficult

Ali thus problem

Question 5

Only sweetener that does not provide calories

Answer 5

sucralose

Question 6

Food preservatives

Answer 6

Sodium benzoate
Salts of propanoic acid
Salts of sorbic acid

Question 7

Solution left after saponification is

Answer 7

glycerol

Question 8

What is added to shaving soaps to make them lather

Answer 8

the gum rosin is added to get sodium rosinate

Question 9

Anionic detergents are

Answer 9

Sodium salts of sulphonated long chain alcohols

Question 10

Cationic detergents are

Answer 10

Quaternary ammonium salts of amines, with Br-/Cl-/CH3COO-

Question 11

Non ionic detergent

Answer 11

Ester formed using an alcohol(having multiple hydroxy grps) and an acid

Question 12

Liquid dishwashing detergents are which type

Answer 12

non ionic

Question 13

No of carbons in lauryl chain

Answer 13

12

Question 14

Cetyltrimethylammonium bromide structure

Answer 14

Quaterenary ammonium salt, has three methyl grps and on grp having 16 carbon atoms

Question 15

no of C atoms in stearic acid

Answer 15

17 + 1 = 18