Class 6 Exam > Class 6 Questions > We can use a magnet to separatea)Iron filings...
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We can use a magnet to separate
- a)Iron filings from sand
- b)Pieces of copper wire from glass beads
- c)copper staples from sand
- d)Rubber bands from pieces of aluminium foil
Correct answer is option 'A'. Can you explain this answer?
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We can use a magnet to separatea)Iron filings from sandb)Pieces of cop...
Understanding Magnetic Separation
Magnetic separation is a technique used to separate magnetic materials from non-magnetic ones. This method is based on the magnetic properties of the materials involved.
Why Iron Filings Can Be Separated
- Magnetic Properties: Iron filings are made of iron, which is a magnetic material. When exposed to a magnet, they are attracted to it.
- Separation Process: By bringing a magnet close to a mixture of iron filings and sand, the iron filings will adhere to the magnet, leaving the non-magnetic sand behind.
Other Options Explained
- Pieces of Copper Wire from Glass Beads: Copper is non-magnetic, so a magnet will not attract either material, making separation impossible through this method.
- Copper Staples from Sand: Similar to copper wire, copper staples are also non-magnetic. Thus, a magnet will not separate them from sand.
- Rubber Bands from Pieces of Aluminium Foil: Rubber bands are non-magnetic, and while aluminum is not strongly magnetic, it can exhibit weak magnetic properties under certain conditions. However, a standard magnet won't effectively separate these materials.
Conclusion
In summary, the only viable option for magnetic separation from the given choices is:
- Iron filings from sand due to the magnetic nature of iron, making it possible to effectively use a magnet for this separation.
Magnetic separation is a technique used to separate magnetic materials from non-magnetic ones. This method is based on the magnetic properties of the materials involved.
Why Iron Filings Can Be Separated
- Magnetic Properties: Iron filings are made of iron, which is a magnetic material. When exposed to a magnet, they are attracted to it.
- Separation Process: By bringing a magnet close to a mixture of iron filings and sand, the iron filings will adhere to the magnet, leaving the non-magnetic sand behind.
Other Options Explained
- Pieces of Copper Wire from Glass Beads: Copper is non-magnetic, so a magnet will not attract either material, making separation impossible through this method.
- Copper Staples from Sand: Similar to copper wire, copper staples are also non-magnetic. Thus, a magnet will not separate them from sand.
- Rubber Bands from Pieces of Aluminium Foil: Rubber bands are non-magnetic, and while aluminum is not strongly magnetic, it can exhibit weak magnetic properties under certain conditions. However, a standard magnet won't effectively separate these materials.
Conclusion
In summary, the only viable option for magnetic separation from the given choices is:
- Iron filings from sand due to the magnetic nature of iron, making it possible to effectively use a magnet for this separation.
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We can use a magnet to separatea)Iron filings from sandb)Pieces of copper wire from glass beadsc)copper staples from sandd)Rubber bands from pieces of aluminium foilCorrect answer is option 'A'. Can you explain this answer?
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