Reversible And Irreversible Changes
-
Burning of candle wax is a _______ change.
-
Reversible
-
Irreversible
-
Explore the concepts of reversible and irreversible changes through this engaging quiz. Questions focus on everyday examples like candle wax burning, paper burning, and butter melting, assessing understanding of physical and chemical changes.
Quiz Preview
- 2.
Burning of paper is ___________ change.
-
Irreversible
-
Reversible
Correct Answer
A. IrreversibleExplanation
When paper is burned, it undergoes a chemical reaction that results in the formation of new substances, such as ash and smoke. This change is irreversible because it cannot be undone or reversed. Once the paper is burned, it cannot be restored back to its original form. Therefore, the correct answer is irreversible.Rate this question:
-
- 3.
Melting of butter is a ____________ change.
-
Reversible
-
Irreversible
Correct Answer
A. ReversibleExplanation
Melting of butter is a reversible change because it can be easily reversed by cooling the melted butter, causing it to solidify again. This change is purely physical, as the chemical composition of the butter remains the same before and after melting.Rate this question:
-
- 4.
Identify this change.
-
Reversible
-
Irreversible
Correct Answer
A. ReversibleExplanation
The term "reversible" refers to a change that can be undone or reversed. In the context of this question, it is likely asking about a change that can be easily reversed or undone. This means that whatever process or transformation is being referred to can be reverted back to its original state without any permanent effects or consequences.Rate this question:
-
- 5.
Identify the change.
-
Reversible
-
Irreversible
Correct Answer
A. IrreversibleExplanation
The given answer "irreversible" suggests that the change being referred to cannot be undone or reversed. This means that once the change occurs, it is permanent and cannot be changed back to its original state.Rate this question:
-
- 6.
Identify the change
-
Reversible
-
Irreversible
Correct Answer
A. ReversibleExplanation
The term "reversible" refers to a change that can be undone or reversed, meaning it can return to its original state. On the other hand, "irreversible" signifies a change that is permanent and cannot be undone. Therefore, the correct answer "reversible" indicates that the change being referred to can be reversed or undone.Rate this question:
-
- 7.
Identify the change.
-
Reversible
-
Irreversible
Correct Answer
A. IrreversibleExplanation
The given question asks to identify the change. The options provided are "reversible" and "irreversible". The correct answer is "irreversible". This suggests that the change being referred to is not reversible, meaning it cannot be undone or reversed.Rate this question:
-
Quiz Review Timeline (Updated): Mar 21, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Aug 12, 2020Quiz Created by
Shipra Verma
Back to top