Question : The purity of a metal can be determined with the help of
Option 1: Pascal's law
Option 2: Boyle's law
Option 3: Archimedes Principle
Option 4: Conservation of mass principle
Correct Answer: Archimedes Principle
Solution : The correct option is Archimedes' principle .
Archimedes' principle can be used to determine the purity of a metal. The buoyant force exerted on a body submerged in a fluid by Archimedes' principle is equal to the weight of the fluid displaced by the body.
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Question : The first law of thermodynamics is simply the case of:
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Question : A jet engine works on the principle of conservation of________.
Question : The magnitude of current flowing between two endpoints of a conductor is proportional to the potential difference between them and is called:
Question : ______ states that for a solution of volatile liquids, the partial vapour pressure of each component of the solution is directly proportional to its mole fraction present in solution.
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