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Mist seen often around ice cubes. Which of the following is a probable reason?
- a)Water molecules in the ice vapourize.
- b)Water vapour in air condenses when they hit the ice surface.
- c)The ice cools the air around it, thus producing a visible convection current.
- d)The air molecule gets cold and become denser around ice cubes.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Mist seen often around ice cubes. Which of the following is a probable...
Reasons for mist seen often around ice cubes:
There are multiple factors that contribute to the formation of mist around ice cubes. The most probable reason is option B: water vapor in the air condenses when it comes into contact with the cold surface of the ice. Here's a detailed explanation:
Water vapor in the air condenses:
- When warm air comes into contact with the cold surface of the ice cube, the temperature difference causes the water vapor in the air to lose energy.
- As a result, the water vapor molecules slow down and come closer together, forming tiny water droplets.
- These water droplets are what we see as mist around the ice cube.
Other options explained:
- Option A: Water molecules in the ice vaporize - This is incorrect because the mist is formed by the condensation of water vapor in the air, not by the vaporization of water molecules from the ice.
- Option C: The ice cools the air around it, producing a visible convection current - While the ice does cool the air around it, it does not directly produce a visible convection current. The mist is formed due to condensation, not convection.
- Option D: The air molecules get cold and become denser around ice cubes - While the air molecules do get colder around ice cubes, this does not directly lead to the formation of mist. Mist is formed by the condensation of water vapor, not by the densification of air molecules.
In conclusion, the most probable reason for the mist seen often around ice cubes is the condensation of water vapor in the air when it comes into contact with the cold surface of the ice.
There are multiple factors that contribute to the formation of mist around ice cubes. The most probable reason is option B: water vapor in the air condenses when it comes into contact with the cold surface of the ice. Here's a detailed explanation:
Water vapor in the air condenses:
- When warm air comes into contact with the cold surface of the ice cube, the temperature difference causes the water vapor in the air to lose energy.
- As a result, the water vapor molecules slow down and come closer together, forming tiny water droplets.
- These water droplets are what we see as mist around the ice cube.
Other options explained:
- Option A: Water molecules in the ice vaporize - This is incorrect because the mist is formed by the condensation of water vapor in the air, not by the vaporization of water molecules from the ice.
- Option C: The ice cools the air around it, producing a visible convection current - While the ice does cool the air around it, it does not directly produce a visible convection current. The mist is formed due to condensation, not convection.
- Option D: The air molecules get cold and become denser around ice cubes - While the air molecules do get colder around ice cubes, this does not directly lead to the formation of mist. Mist is formed by the condensation of water vapor, not by the densification of air molecules.
In conclusion, the most probable reason for the mist seen often around ice cubes is the condensation of water vapor in the air when it comes into contact with the cold surface of the ice.
Community Answer
Mist seen often around ice cubes. Which of the following is a probable...
Understanding Physical Changes
Physical changes are transformations that do not affect the chemical composition of a substance. They involve alterations in the state or appearance of a material but do not produce new substances.
Examples of Physical Changes
- Melting of Ice:
- When ice melts, it changes from solid to liquid water.
- The chemical composition (H2O) remains the same, making it a physical change.
- Baking of Cake:
- Baking involves mixing ingredients and applying heat, resulting in new substances like proteins and sugars reacting.
- This process alters the chemical composition, classifying it as a chemical change.
- Breaking of Glass:
- When glass is broken, it shatters into smaller pieces.
- Although the form changes, the chemical structure of the glass remains unchanged, indicating a physical change.
Conclusion
Considering the definitions and examples:
- Both the melting of ice and breaking of glass are physical changes.
- The baking of a cake, however, involves chemical reactions and is not a physical change.
Thus, the correct answer is option D: Both (a) and (c), as they represent physical changes.
Physical changes are transformations that do not affect the chemical composition of a substance. They involve alterations in the state or appearance of a material but do not produce new substances.
Examples of Physical Changes
- Melting of Ice:
- When ice melts, it changes from solid to liquid water.
- The chemical composition (H2O) remains the same, making it a physical change.
- Baking of Cake:
- Baking involves mixing ingredients and applying heat, resulting in new substances like proteins and sugars reacting.
- This process alters the chemical composition, classifying it as a chemical change.
- Breaking of Glass:
- When glass is broken, it shatters into smaller pieces.
- Although the form changes, the chemical structure of the glass remains unchanged, indicating a physical change.
Conclusion
Considering the definitions and examples:
- Both the melting of ice and breaking of glass are physical changes.
- The baking of a cake, however, involves chemical reactions and is not a physical change.
Thus, the correct answer is option D: Both (a) and (c), as they represent physical changes.
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Mist seen often around ice cubes. Which of the following is a probable reason?a)Water molecules in the ice vapourize.b)Water vapour in air condenses when they hit the ice surface.c)The ice cools the air around it, thus producing a visible convection current.d)The air molecule gets cold and become denser around ice cubes.Correct answer is option 'B'. Can you explain this answer?
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Mist seen often around ice cubes. Which of the following is a probable reason?a)Water molecules in the ice vapourize.b)Water vapour in air condenses when they hit the ice surface.c)The ice cools the air around it, thus producing a visible convection current.d)The air molecule gets cold and become denser around ice cubes.Correct answer is option 'B'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about Mist seen often around ice cubes. Which of the following is a probable reason?a)Water molecules in the ice vapourize.b)Water vapour in air condenses when they hit the ice surface.c)The ice cools the air around it, thus producing a visible convection current.d)The air molecule gets cold and become denser around ice cubes.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Mist seen often around ice cubes. Which of the following is a probable reason?a)Water molecules in the ice vapourize.b)Water vapour in air condenses when they hit the ice surface.c)The ice cools the air around it, thus producing a visible convection current.d)The air molecule gets cold and become denser around ice cubes.Correct answer is option 'B'. Can you explain this answer?.
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