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 both
  • b)
    Only 3
  • c)
    1, 2 and 3
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?

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This discussion on 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? is done on EduRev Study Group by Class 6 Students. The Questions and Answers 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? are solved by group of students and teacher of Class 6, which is also the largest student community of Class 6. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 6 on EduRev and even discuss your questions like 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? over here on EduRev! Apart from being the largest Class 6 community, EduRev has the largest solved Question bank for Class 6.
This discussion on 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? is done on EduRev Study Group by Class 6 Students. The Questions and Answers 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? are solved by group of students and teacher of Class 6, which is also the largest student community of Class 6. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 6 on EduRev and even discuss your questions like 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? over here on EduRev! Apart from being the largest Class 6 community, EduRev has the largest solved Question bank for Class 6.