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Questions and Answers
Which category of changes is easily reversible?
According to the author's teacher, what happens when mercurial water is distilled?
What does the author say about the transformations involving heat or fire?
What happens to a sheet of iron when left outside without covering it with wax?
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What does the author call the changes that are difficult to reverse?
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What does the author say about the substance in the first group of changes?
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What does the author's teacher say about the substance formed by distilled mercurial water?
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What is the author's opinion about the transformations involving heat or fire?
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What does the author say about the transformations in the second group?
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What does the author say about the substance in the second group of changes?
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Study Notes
Reversible Changes
- The first group of changes, involving heat or fire, is easily reversible.
Distillation of Mercurial Water
- When mercurial water is distilled, it becomes water again, according to the author's teacher.
Transformations Involving Heat or Fire
- Transformations involving heat or fire are easily reversible, says the author.
- These changes are the first group of changes.
Rusting of Iron
- A sheet of iron left outside without wax covering will rust.
Irreversible Changes
- The changes that are difficult to reverse are called the second group of changes, according to the author.
First Group of Changes
- The substance in the first group of changes returns to its original state when the heat or fire is removed, says the author.
Distilled Mercurial Water
- The substance formed by distilled mercurial water is water again, according to the author's teacher.
Author's Opinion on Transformations
- The author suggests that transformations involving heat or fire are easily reversible.
Second Group of Changes
- The transformations in the second group are difficult to reverse, says the author.
Substance in Second Group
- The substance in the second group of changes does not return to its original state easily, according to the author.
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Description
Quiz: Can You Identify Chemical Transformations? Test your knowledge on chemical transformations with this quiz. Explore concepts like melting, distillation, and more to determine if substances remain the same or undergo a transformation. Challenge your understanding of chemistry today!
