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Which one of the following is not a chemical change?
- a)Cooking of food
- b)Evaporation of water
- c)Burning of candle wax
- d)Digestion of food in our body
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which one of the following is not a chemical change?a)Cooking of foodb...
Chemical and Physical Changes
Chemical changes involve the formation of new substances with different chemical properties, while physical changes involve changes in the physical state or appearance of a substance without changing its chemical composition.
Cooking of Food
Cooking of food involves chemical changes, as the heat and other ingredients cause chemical reactions that alter the taste, texture, and nutritional value of the food.
Evaporation of Water
Evaporation of water is a physical change, as it involves the change of water from a liquid to a gas without any change in its chemical composition.
Burning of Candle Wax
Burning of candle wax is a chemical change, as the heat and oxygen cause the wax to react and form new compounds such as carbon dioxide and water.
Digestion of Food in our Body
Digestion of food in our body involves chemical changes, as the enzymes in our digestive system break down the food into simpler substances that can be used by our body for energy and growth.
Conclusion
Therefore, the correct answer is option B - Evaporation of water, as it is a physical change and does not involve any chemical reactions or the formation of new substances.
Chemical changes involve the formation of new substances with different chemical properties, while physical changes involve changes in the physical state or appearance of a substance without changing its chemical composition.
Cooking of Food
Cooking of food involves chemical changes, as the heat and other ingredients cause chemical reactions that alter the taste, texture, and nutritional value of the food.
Evaporation of Water
Evaporation of water is a physical change, as it involves the change of water from a liquid to a gas without any change in its chemical composition.
Burning of Candle Wax
Burning of candle wax is a chemical change, as the heat and oxygen cause the wax to react and form new compounds such as carbon dioxide and water.
Digestion of Food in our Body
Digestion of food in our body involves chemical changes, as the enzymes in our digestive system break down the food into simpler substances that can be used by our body for energy and growth.
Conclusion
Therefore, the correct answer is option B - Evaporation of water, as it is a physical change and does not involve any chemical reactions or the formation of new substances.
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Community Answer
Which one of the following is not a chemical change?a)Cooking of foodb...
The evaporation of water is a physical change. When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not changed into any other substance. All changes of state are physical changes.
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Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer?.
Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following is not a chemical change?a)Cooking of foodb)Evaporation of waterc)Burning of candle waxd)Digestion of food in our bodyCorrect answer is option 'B'. Can you explain this answer?.
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