True or False.Sand and sawdust can be separated by gravity method. (2024)

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Let's delve into the key concepts covered in the provided article:

1. Mixture of Sand and Sawdust in Water:

   • The article describes a situation where sand and sawdust are mixed in water. The lighter sawdust floats on water, while the heavier sand settles at the bottom due to gravitational force.
   • Filtration is identified as the method to separate sand from the mixture, taking advantage of the differential settling properties of the components.

2. Mixture of Dry Leaves and Sand:

   • The question pertains to the separation process for a mixture of dry leaves and sand.
   • The correct answer is "True," and the separation method mentioned is threshing. Threshing involves beating or shaking the mixture to separate the lighter components (dry leaves) from the heavier ones (sand).

3. Salt from Sea Water:

   • The question addresses the separation of salt from sea water.
   • The correct answer is "False," as salt from sea water is typically separated by the process of evaporation, not filtration.

4. Various Statements on Mixtures:

   • (a) A mixture of milk and water can be separated by filtration (False).
   • (b) A mixture of water and oil can be separated by distillation (True).
   • (c) Filtration will separate wheat from husk (True).
   • (d) Camphor and sand are mixed; heating causes camphor to sublime, leaving behind sand (True).
   • (e) A mixture of naphthalene and chalk powder has the smell of naphthalene (False).
   • (f) A mixture of tamarind and sugar will taste both sweet and sour (True).
   • (g) The process of loading results in better sedimentation (False - the term might be a typo; it could be "flocculation").
   • (h) Sieving is the best method to separate jeera seeds from its stalk (True).

5. Magnetic Ores and Gravity Separation:

   • Magnetic ores can be easily separated by the gravity separation method.
   • The statement is False. Magnetic ores are typically separated using magnetic separation methods, not gravity separation.

6. hom*ogeneous Mixture of Two Liquids:

   • The question addresses the separation of a hom*ogeneous mixture of two liquids.
   • The correct answer is True, and the method mentioned is fractional distillation, which exploits differences in boiling points to separate the components.

In conclusion, the concepts covered in the SolveGuides article span various methods of separating mixtures, showcasing the diverse applications of fundamental principles in chemistry.