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Questions and Answers
What is the density of water in SI units?
What is the density of water in SI units?
- 1200 kg/m³
- 1000 kg/m³ (correct)
- 500 kg/m³
- 800 kg/m³
What is the main function of a hydrometer?
What is the main function of a hydrometer?
- To measure the weight of a liquid
- To measure the density of a liquid (correct)
- To measure the mass of a liquid
- To measure the volume of a liquid
What is the relationship between the mass and volume of a body?
What is the relationship between the mass and volume of a body?
- The mass of a body is directly proportional to its volume
- The greater the mass of a body, the smaller is its volume
- The greater the mass of a body, the greater is its volume
- The mass of a body is inversely proportional to its volume (correct)
What is the density of a substance with a relative density of less than 1?
What is the density of a substance with a relative density of less than 1?
What is the main reason why a hydrometer floats vertically in a liquid?
What is the main reason why a hydrometer floats vertically in a liquid?
What is the purpose of sealing one end of a drinking straw in the given experiment?
What is the purpose of sealing one end of a drinking straw in the given experiment?
What can be observed when the hydrometer is placed in a concentrated solution of common salt?
What can be observed when the hydrometer is placed in a concentrated solution of common salt?
What is the purpose of marking the level up to which the straw sinks in water?
What is the purpose of marking the level up to which the straw sinks in water?
What would happen if the hydrometer is placed in milk mixed with water?
What would happen if the hydrometer is placed in milk mixed with water?
What is the main principle behind the functioning of the homemade hydrometer?
What is the main principle behind the functioning of the homemade hydrometer?
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