Which of the following does not involve a chemical reaction? Melting of candle wax on heating, Burning of candle wax when heated, Digestion of food in our body, Process of respirat... Which of the following does not involve a chemical reaction? Melting of candle wax on heating, Burning of candle wax when heated, Digestion of food in our body, Process of respiration.
Understand the Problem
The question is asking to identify which of the provided processes does not involve a chemical reaction. To solve it, we need to analyze each option and determine if a chemical change occurs.
Answer
Melting of candle wax on heating.
The final answer is melting of candle wax on heating.
Answer for screen readers
The final answer is melting of candle wax on heating.
More Information
Melting of candle wax is a physical change because it involves a change of state from solid to liquid without altering the chemical composition.
Tips
A common mistake is confusing physical changes with chemical changes. Ensure you understand that physical changes do not result in new substances.
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