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Inorganic Chemistry

Cool goIITian

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18 Mar 2010 14:11:12 IST

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What happens when hydrogen peroxide falls on silk cloth?

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What happens when hydrogen peroxide falls on silk cloth?

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siDDhESwaR MuKhErjEE

Blazing goIITian

Joined: 15 Nov 2009

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20 Mar 2010 20:07:51 IST

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I believe the silk cloth would be corroded. This is because H2O2 decomposes to give O2, which would corrode the cloth

edison

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22 Jun 2011 17:44:30 IST

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Spontaneous ignition: Concentrated hydrogen peroxide, if spilled on clothing (or other flammable materials), will preferentially evaporate water until the concentration reaches sufficient strength, at which point the material may spontaneously ignite.

Corrosive. Concentrated hydrogen peroxide (>50%) is corrosive, and even domestic-strength solutions can cause irritation to the eyes, mucous membranes and skin.

Swallowing hydrogen peroxide solutions is particularly dangerous, as decomposition in the stomach releases large quantities of gas (10 times the volume of a 3% solution) leading to internal bleeding. Inhaling over 10% can cause severe pulmonary irritation.

Bleach agent. Low concentrations of hydrogen peroxide, on the order of 3% or less, will chemically bleach many types of clothing to a pinkish hue. Caution should be exercised when using common products that may contain hydrogen peroxide, such as facial cleaner or contact lens solution, which easily splatter upon other surfaces.

3% H2O2 is effective at treating fresh (red) blood-stains in clothing and on other items. It must be applied to clothing before blood stains can be accidentally "set" with heated water. Cold water and soap are then used to remove the peroxide treated blood.

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