Oil of winter green and salol are the esters of:
1. salicylic acid
2. lactic acid
3. acetic acid
4. sulphanilic acid
Sulphaguanadine is used for:
(1) dysentery
(2) urinary infections
(3) antiseptic
(4) antipyretic
The correct statement among the following about Saccharin is -
1. It is also known as Ortho-sulphobenzimide
2. It is 550 times sweeter than sugar.
3. It is used as a sweetening agent.
4. All of the above.
Which of the following is an example of basic dye ?
(1) Alizarin
(2) Malachite green
(3) Indigo
(4) Orange I
Which of the following groups is not an auxochrome ?
(1)-N(CH3)2
(2)-OH
(3)-OCH3
(4)
The compounds used to fix a dye to fabric is known as:
(1) mordant
(2) azeotrope
(3) bleaching agents
(4) lake
Which one is disperse dye?
(1) Congo red
(2) Alizarin
(3) Celliton
(4) None of these
Red ink is prepared from :
(1) Phenol
(2) Aniline
(3) Congo red
(4) Eosin
Alizarin a mordant dye is not used in:
(1) cotton dyeing
(2) printing
(3) painting
(4) Chromium lakes for wood dyeing
A certain dye was prepared from a plant grown on a large scale in India. Name the dye:
1. Malachite green
2. Congo red
3. Indigo
4. Turmeric