NCERT Solution for Class 9 Science Chapter 2
Is Matter Around Us Pure
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-28
Questions No-1 Part-8
Which separation techniques will you apply for the separation of Iron pins from sand.
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Magnetic separation.
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Magnetic separation
1. Magnetic Separation: This technique utilizes the magnetic properties of iron. A magnet can attract the iron pins away from the sand, facilitating easy separation.
2. Sieving: Using a mesh screen or sieve helps sift the mixture, separating larger iron pins from smaller sand particles through physical separation.
3. Complex Techniques: Methods like shaker tables or density-based approaches exploit density differences between iron pins and sand particles, causing the heavier iron pins to settle, allowing separation from lighter sand particles.
While effective, these methods may differ in time and effort required. Magnetic separation is often the quickest due to iron’s inherent magnetic properties, making separation from sand swift and efficient.