Respuesta :
Answer:
In order to check its magnetic properties and for removing impurities.
Explanation:
A scientist use a magnet and small strainer while investigating the physical properties of a substance in order to check the magnetic properties of the substance as well as to separate the substance from the other impurities. Magnet attract substances that is made of metals or magnetic characteristics while on the other hand, small strainer is used to separate impurities from the investigating substance so that's why the scientist use a magnet and small strainer during investigation of a substance.
A scientist use a magnet to check magnetic properties of the substance and use small strainer to separate the substance from the other impurities.
- The magnet have Attractive Property , Magnet attracts ferromagnetic materials like iron, cobalt, and nickel.
- Magnet attract substances that is made of metals or magnetic characteristics .
- The small strainer is used to separate impurities from the investigating substance
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