(a)
Interpretation:
Whether the boiling of canned soup is a chemical change or not is to be determined.
Concept introduction:
The change that takes place in the composition is known as chemical change. The atoms or the molecules of the substance rearrange and transformed into a new substance. A chemical change can change physical as well as chemical properties of a substance. For example, the burning of paper is a chemical change.
The representation of chemical change is as follows:
(b)
Interpretation:
Whether toasting a slice of bread is a chemical change or not is to be determined.
Concept introduction:
The change that takes place in the composition is known as chemical change. The atoms or the molecules of the substance rearrange and transformed into a new substance. A chemical change can change physical as well as chemical properties of a substance. For example, the burning of paper is a chemical change.
The representation of chemical change is as follows:
(c)
Interpretation:
Whether chopping of a log is a chemical change or not is to be determined.
Concept introduction:
The change that takes place in the composition is known as chemical change. The atoms or the molecules of the substance rearrange and transformed into a new substance. A chemical change can change physical as well as chemical properties of a substance. For example, the burning of paper is a chemical change.
The representation of chemical change is as follows:
(d)
Interpretation:
Whether burning of the log is a chemical change or not is to be determined.
Concept introduction:
The change that takes place in the composition is known as chemical change. The atoms or the molecules of the substance rearrange and transformed into a new substance. A chemical change can change physical as well as chemical properties of a substance. For example, the burning of paper is a chemical change.
The representation of chemical change is as follows:
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Chemistry: The Molecular Nature of Matter and Change
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