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Phenol gets darkened on long standing due to oxidation reactions that form quinones and polymers. These reactions are accelerated by exposure to light and air. The darkening of phenol is a result of the formation of colored compounds as a byproduct of these oxidation reactions.

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1y ago

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Is smelling phenol is good or bad?

Smelling phenol is considered harmful, as it can irritate the respiratory system, eyes, and skin. Short-term exposure may lead to symptoms such as headaches, dizziness, and nausea, while long-term exposure can have more serious health effects. It is advisable to avoid inhaling phenol and to use it only in well-ventilated areas or under proper safety precautions. Always consult safety guidelines when handling chemicals like phenol.


What are long streaks of bright light caused when metiroid gets close to the ground as its buring?

fire ball


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No, a giraffe does not sleep standing up. Giraffes usually sleep lying down, either with their head resting on their hindquarters or tucked under their body. They only need to sleep for short periods and can do so both during the day and at night.


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Chloraseptic is a brand that offers sore throat relief products, typically in the form of throat sprays or lozenges. These products contain ingredients like benzocaine or phenol to help numb the throat and provide temporary relief from pain and irritation associated with sore throats. It is not recommended for long-term use or for treating underlying conditions.


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The north pole of Uranus gets sunlight for about 42 years, followed by 42 years of darkness due to the extreme tilt of Uranus on its axis. This unique orientation causes each pole to experience long periods of continuous sunlight and darkness as the planet orbits the sun.

Related Questions

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How long can phenol overload stay in the body?

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Why is it unadvisable to leave milk standing on the door step for too long?

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Why does a person standing for a long time gets tired when he doesnot appear to do any work?

If overcoming gravity isn't work, then your definition of work is flawed.


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Is smelling phenol is good or bad?

Smelling phenol is considered harmful, as it can irritate the respiratory system, eyes, and skin. Short-term exposure may lead to symptoms such as headaches, dizziness, and nausea, while long-term exposure can have more serious health effects. It is advisable to avoid inhaling phenol and to use it only in well-ventilated areas or under proper safety precautions. Always consult safety guidelines when handling chemicals like phenol.


What fitness component is tested in standing long jump?

Muscular Power is the Fitness Component tested in Standing Long Jump.


Is it a correct sentence long-standing army?

The phrase (not sentence) 'long-standing army' is grammatically correct. It means 'an army that has been established for a long time.'


Who gets the point if the opponent catches the tennis shot that is clearly going out while standing outside the baseline?

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How long does a shadow last?

as long as your'e standing in sunlight


How long has Christ the redeemer been standing up?

it has been standing up for 87 years