Question
Which of the following option(s) is/are correct?
Answer: Option A
:
A
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A
A change can be physical or chemical, depending on whether or not it involves the formation of a new substance.
In a physical change, the product formed has the same properties as the original substance whereas, in a chemical change, the product formed has different properties than the original substance. Some of the examples of physical changes are melting of ice, cutting a fruit,etc. Some of the examples of chemical changes are burning of wood, rusting of iron, etc.
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Rusting of iron can be prevented by:
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Question 5.
Chemical changes are mostly irreversible.
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