First slide

Hydrogen Peroxide

Question

Delicate materials like silk, wool and ivory are bleached by

Easy

A

H₂O₂
B

CaOCl₂
C

Cl₂
D

None

Solution

H₂O₂ is used to bleach very delicate materials like silk, wool, ivory and hair...etc.
→ The bleacjing action of H₂O₂ is due its axidising nature. That means nascet oxygen which is given by H₂O₂ decolurises coloured substances.
H₂O₂ → H₂O + O
colour substance + (O) → colourless.

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