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Identify the stain in the picture and select the reagents used to remove it

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Question

Identify the stain in the picture and select the reagents used to remove it

Options

  • Glycerine

  • Methylated spirit

  • Soap

  • All of these.

MCQ
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Solution

All of these.

Explanation:

The image depicts a tough food or curry stain, a combination stain containing dried grease, oils, and strong organic plant dyes such as turmeric. Glycerine is applied first to soften and loosen the dried, crusty food residue on the fabric fibres; methylated spirit acts as a powerful organic solvent to break down stubborn colour pigments; and soap and water are used to thoroughly wash away the remaining oily grease.
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Stains and Their Removal
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Chapter 12: Laundering - EXERCISES [Page 187]

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Dr. Alka Agarwal, Urvi Raval Home Science for Class 10th ICSE
Chapter 12 Laundering
EXERCISES | Q 3. A. | Page 187
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