Class 7 Exam > Class 7 Questions > Which of the following are your physical chan...
Start Learning for Free
Which of the following are your physical change?
1) liquification of gases to liquids
2) melting of solids to liquids
3)freezing of liquids to solids
4) vaporization of liquids to gases?
1) liquification of gases to liquids
2) melting of solids to liquids
3)freezing of liquids to solids
4) vaporization of liquids to gases?
Most Upvoted Answer
Which of the following are your physical change?1) liquification of ga...
Understanding Physical Changes
Physical changes refer to changes in the state or appearance of a substance without altering its chemical composition. Here are the four processes listed in your question:
1) Liquification of Gases to Liquids
- This process involves cooling a gas until it becomes a liquid, commonly seen in refrigeration.
- Example: Turning natural gas into liquefied natural gas (LNG) for easier transportation.
2) Melting of Solids to Liquids
- Melting occurs when a solid is heated to its melting point, transitioning into a liquid.
- Example: Ice melting into water when heated.
3) Freezing of Liquids to Solids
- Freezing is the reverse of melting, where a liquid is cooled to form a solid.
- Example: Water turning into ice in a freezer.
4) Vaporization of Liquids to Gases
- Vaporization occurs when a liquid is heated, causing it to turn into a gas.
- Example: Water boiling to produce steam.
Conclusion
All four processes listed are physical changes as they involve transitions between states of matter (solid, liquid, gas) without changing the substance's chemical identity. Each process is reversible, highlighting the characteristic nature of physical changes.
Physical changes refer to changes in the state or appearance of a substance without altering its chemical composition. Here are the four processes listed in your question:
1) Liquification of Gases to Liquids
- This process involves cooling a gas until it becomes a liquid, commonly seen in refrigeration.
- Example: Turning natural gas into liquefied natural gas (LNG) for easier transportation.
2) Melting of Solids to Liquids
- Melting occurs when a solid is heated to its melting point, transitioning into a liquid.
- Example: Ice melting into water when heated.
3) Freezing of Liquids to Solids
- Freezing is the reverse of melting, where a liquid is cooled to form a solid.
- Example: Water turning into ice in a freezer.
4) Vaporization of Liquids to Gases
- Vaporization occurs when a liquid is heated, causing it to turn into a gas.
- Example: Water boiling to produce steam.
Conclusion
All four processes listed are physical changes as they involve transitions between states of matter (solid, liquid, gas) without changing the substance's chemical identity. Each process is reversible, highlighting the characteristic nature of physical changes.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases?
Question Description
Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases?.
Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases?.
Solutions for Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases?, a detailed solution for Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? has been provided alongside types of Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? theory, EduRev gives you an
ample number of questions to practice Which of the following are your physical change?1) liquification of gases to liquids2) melting of solids to liquids 3)freezing of liquids to solids4) vaporization of liquids to gases? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup