Question
Download Solution PDFPhosphorus is kept in water to
This question was previously asked in
JTET 2012 (Mathematics & Science) Official Paper-II
Answer (Detailed Solution Below)
Option 3 : prevent its contact with oxygen
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Detailed Solution
Download Solution PDFThe correct answer is prevent its contact with oxygen.Key Points
- Phosphorus is kept in water so that it avoids catching fire through contact from atmospheric oxygen.
- Phosphorus is the element that literally means "I carry light".
- Phosphorus is a chemical element with an atomic number 15.
- It was discovered by Hennig Brand in 1669.
- Phosphorus has the smell of garlic.
- Phosphorus is never found as a free element on earth due to its high reactivity.
Important Points
- Elemental phosphorus exists in two different forms namely white phosphorus and red phosphorus.
- White phosphorus emits green light on the exposure to the atmosphere.
- Red phosphorus is used for making safety matches.
- Phosphorus is used in the fertilizer industry.
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