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Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)?
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Classify the change involved in the following processes as physical or...
Physical Change vs. Chemical Change: Dissolving Sugar in Water
When sugar is dissolved in water, it involves a physical change rather than a chemical change. Here's why:
Physical Change
- No New Substances Formed: When sugar is dissolved in water, the sugar molecules are dispersed in the water. No new substances are formed during this process.
- No Change in Chemical Composition: The sugar molecules remain the same before and after dissolving in water. The chemical composition of sugar does not change.
- Reversible Process: Dissolving sugar in water is a reversible process. The sugar can be recovered by evaporating the water, indicating that no chemical reaction has taken place.
Chemical Change
- New Substances Formed: In a chemical change, new substances are formed with different chemical properties. This is not the case when sugar is dissolved in water.
- Change in Chemical Composition: In a chemical change, the chemical composition of the substances involved is altered. Dissolving sugar in water does not alter the chemical composition of sugar.
- Irreversible Process: Chemical changes are often irreversible, leading to the formation of new substances that cannot be easily separated back into their original components.
Therefore, the process of dissolving sugar in water is classified as a physical change due to the reasons mentioned above.
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Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)?
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Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)?.
Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Classify the change involved in the following processes as physical or chemical changes (b) dissolving sugar in water)?.
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