Class 6 Exam > Class 6 Questions > Physical changes can be generally reversed. W...
Start Learning for Free
Physical changes can be generally reversed. Which of the following is an example of a physical change?
1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.
2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.
3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.
1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.
2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.
3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.
- a)1 and 2 both
- b)Only 3
- c)1, 2 and 3
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Physical changes can be generally reversed. Which of the following is ...
Physical changes are changes in matter that do not result in the formation of a new substance. These changes can typically be reversed by changing the conditions or processes that caused them. Let's examine each option to determine which one represents a physical change.
1. Zinc oxide, on heating, changes to yellow color. However, on cooling, its color changes to white.
This is an example of a physical change. Heating zinc oxide causes it to undergo a change in color from white to yellow. However, when it is cooled, the color reverts back to its original white color. The change in color is due to a rearrangement of the particles within the substance, but no new substance is formed.
2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.
This is also an example of a physical change. Iron can be magnetized by stroking it with a permanent magnet. This causes the alignment of the magnetic domains within the iron, resulting in magnetism. However, if the magnetized iron is hammered, the alignment of the magnetic domains is disrupted, causing it to lose its magnetism. Again, no new substance is formed in this process.
3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.
This is yet another example of a physical change. Heating wax causes it to melt and change into its liquid state. However, when the liquid wax is cooled, it solidifies and returns to its original solid state. The change in state from solid to liquid and back to solid is a physical change and can be reversed by changing the temperature.
In conclusion, all three options represent physical changes. In each case, a change in the physical properties of the substance occurs, but no new substance is formed. These changes can be reversed by changing the conditions or processes that caused them. Therefore, the correct answer is option 'C' - 1, 2, and 3.
1. Zinc oxide, on heating, changes to yellow color. However, on cooling, its color changes to white.
This is an example of a physical change. Heating zinc oxide causes it to undergo a change in color from white to yellow. However, when it is cooled, the color reverts back to its original white color. The change in color is due to a rearrangement of the particles within the substance, but no new substance is formed.
2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.
This is also an example of a physical change. Iron can be magnetized by stroking it with a permanent magnet. This causes the alignment of the magnetic domains within the iron, resulting in magnetism. However, if the magnetized iron is hammered, the alignment of the magnetic domains is disrupted, causing it to lose its magnetism. Again, no new substance is formed in this process.
3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.
This is yet another example of a physical change. Heating wax causes it to melt and change into its liquid state. However, when the liquid wax is cooled, it solidifies and returns to its original solid state. The change in state from solid to liquid and back to solid is a physical change and can be reversed by changing the temperature.
In conclusion, all three options represent physical changes. In each case, a change in the physical properties of the substance occurs, but no new substance is formed. These changes can be reversed by changing the conditions or processes that caused them. Therefore, the correct answer is option 'C' - 1, 2, and 3.
Free Test
FREE
| Start Free Test |
Community Answer
Physical changes can be generally reversed. Which of the following is ...
Which two animals met in the jungle
Attention Class 6 Students!
To make sure you are not studying endlessly, EduRev has designed Class 6 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 6.
|
Explore Courses for Class 6 exam
|
|
Similar Class 6 Doubts
Top Courses for Class 6View all
Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
Question Description
Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 6.
Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free.
Here you can find the meaning of Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Physical changes can be generally reversed. Which of the following is an example of a physical change?1. Zinc oxide, on heating, changes to yellow colour. However, on cooling, its colour changes to white.2. When a piece of iron is stroked with a permanent magnet, it gets magnetized. However, if the magnetized iron is hammered, it loses its magnetism.3. Wax, on being heated, changes into its liquid state. However, liquid wax changes into solid on cooling.a)1 and 2 bothb)Only 3c)1, 2 and 3d)None of the aboveCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 6 tests.
|
|
Explore Courses for Class 6 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