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प्रश्न
Optical brighteners make garments appear ______.
विकल्प
Cleaner
Whiter
Crisper
Smoother
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उत्तर
Optical brighteners make garments appear whiter.
Explanation:
Optical brightening agents are colourless dyes that bind to cloth and make it appear whiter by reflecting light.
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संबंधित प्रश्न
______ fibres are also called wash and wear fabrics.
Name the stiffening agent used for cotton clothes.
List any two advantages of soaking clothes prior to washing.
Give any two reasons why the steeping of woollen clothes should be avoided.
State any three factors to be kept in mind while starching a fabric.
List three advantages of blueing clothes.
______ fabrics should be ironed when damp.
Explain any five steps incorporated while laundering a white bedsheet.
Radha is a nurse who hand washes her uniform everyday. Give two reasons for Radha soaking her uniform before going through the other process of laundering.
Write a short note on the different methods of laundering clothes.
