Which is correct about saccharin?

1. It is 

2. It is 550 times sweeter than sugar

3. It is used as sweetening agent

4. All of the above

Subtopic:  Food - Preservatives, Artificial Sweeteners & Antioxidants |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is an example of basic dye ?
(a) Alizarin
(b) Malachite green
(c) Indigo
(d) Orange I

Subtopic:  Soaps & Detergents, Dyes & Propellant |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which of the following is not a chromophore?

(a) —N=N—

(b) —NO

(c) —NO2

(d) —NH2

Subtopic:  Soaps & Detergents, Dyes & Propellant |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which of the following groups is not an auxochrome ?
(a)-N(CH3)2
(b)-OH
(c)-OCH3
(d) >C=N

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 53%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The compounds used to fix a dye to fabric is known as:

(a) mordant                     (b) azeotrope

(c) bleaching agents         (d) lake

Subtopic:  Classification of Medicines |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which one is disperse dye?
(a) Congo red
(b) Alizarin
(c) Celliton
(d) None of these

Subtopic:  Soaps & Detergents, Dyes & Propellant |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Alizarin a mordant dye is not used in:

(a) cotton dyeing

(b) printing

(c) painting

(d) Chromium lakes for wood dyeing 

Subtopic:  Soaps & Detergents, Dyes & Propellant |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 76%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which of the following structures represents a colourless substance?


(b) C6H5-N=N-C6H5


(c) C6H5-NH-NH-C6H5


(d) None of the above

Subtopic:  Classification of Medicines |
 64%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Malachite green is a direct dye for silk and wool. It is prepared by condensing:

(a) Benzaldehyde and dimethyl aniline

(b) carbonyl chloride and dimethyl aniline

(c) benzene diazonium chloride with dimethyl aniline

(d) none of the above

Subtopic:  Soaps & Detergents, Dyes & Propellant |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints