Question:
Which of the following reagent is used for removing the dye stain?
Which of the following reagent is used for removing the dye stain?
Show Hint
For ink and dye-based stains, organic solvents like methylated spirit or isopropyl alcohol are highly effective because they break down the dye vehicle.
Updated On: Jul 8, 2026
- Dilute alkali
- Glycerine
- Starch paste
- Methylated spirit
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Stain removal depends on utilizing appropriate solvents or chemical reagents to dissolve, absorb, or chemically degrade the specific stain-causing compounds without damaging the underlying textile fibers.
Step 2: Detailed Explanation:
1. Dye stains (such as ink, color runs, or grass stains) consist of organic pigment molecules that are often bound strongly to the fibers.
2. To remove these stains, an organic solvent is needed to dissolve and release the dye molecules.
3. Methylated spirit (alcohol) acts as an excellent, mild organic solvent that can dissolve many commercial and natural dyes without weakening most natural or synthetic textile fibers.
4. Other options like dilute alkali can damage delicate animal fibers (wool/silk), glycerine is used for softening, and starch paste is primarily an absorbent for grease/oil.
Thus, methylated spirit is the correct reagent.
Step 3: Final Answer
The correct option is (D).
Stain removal depends on utilizing appropriate solvents or chemical reagents to dissolve, absorb, or chemically degrade the specific stain-causing compounds without damaging the underlying textile fibers.
Step 2: Detailed Explanation:
1. Dye stains (such as ink, color runs, or grass stains) consist of organic pigment molecules that are often bound strongly to the fibers.
2. To remove these stains, an organic solvent is needed to dissolve and release the dye molecules.
3. Methylated spirit (alcohol) acts as an excellent, mild organic solvent that can dissolve many commercial and natural dyes without weakening most natural or synthetic textile fibers.
4. Other options like dilute alkali can damage delicate animal fibers (wool/silk), glycerine is used for softening, and starch paste is primarily an absorbent for grease/oil.
Thus, methylated spirit is the correct reagent.
Step 3: Final Answer
The correct option is (D).
Was this answer helpful?
0
0
Top ICAR AIEEA Community Science Questions
- Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Wheat based foods has binding and stretchy quality.
Reason (R): Gluten is a protein naturally found in wheat.
In light of the above statements, choose the most appropriate answer from the options given below. - Scurvy is caused due to the deficiency of .
- The anti-nutritional factor in many pulses is .
- How much quantity of Potassium Metabisulphite (KMS) is required for preservation of 100 kg mango squash at the rate of 350 ppm of Sulphur dioxide (SO2)?
- What should be the pH of fruit, in tomato fruit processing?
View More Questions
Top ICAR AIEEA Textiles and Fibres Questions
- Which of the following fiber is fireproof?
- Basting stitch used for striped fabrics is:
- Grain line for shoulder yoke is marked following which of the mentioned patterns?
- What is the term used to define a color problem caused due to localized abrasive wear?
- Which of the following is NOT an embroidery?
View More Questions
Top ICAR AIEEA Questions
- Which of the following statements is false?
- Which of the following is an example of an inventory?
- According to Adam Smith, productivity gains could be brought about through .
- The supply curve for an artificially scarce good is .
- Which of the following would not be considered an opportunity cost of paid employment?
View More Questions