WBCHSE HS Vocational Apparel Practice Questions - West Bengal Council Of Higher Secondary Education Class 12 Vocational Apparel & Garment Technology Exam

During a burning identification test, pure wool fiber produces:

A sharp vinegar-like chemical odor and hard bead The odor of burning hair and leaves a dark, crushable irregular ash A sweet fruity odor and melts into a hard plastic bead A celery-like odor with self-extinguishing flame

Correct Answer:

The odor of burning hair and leaves a dark, crushable irregular ash

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