3) Classify the changes involved in the following processes as physica

1.	3) Classify the changes involved in the following processes as physical or chemical changes:(a) Photosynthesis(b) Dissolving sugar in water(c) Burning of coal(d) Melting of wax
Answer» Step-by-step EXPLANATION: Physical changes only LEAD to changes in physical PROPERTIES of the substance and are REVERSIBLE chemical changes lead to change in composition or the STRUCTURE and are irreversible in nature.

3) Classify the changes involved in the following processes as physical or chemical changes:(a) Photosynthesis(b) Dissolving sugar in water(c) Burning of coal(d) Melting of wax

Answer»

Step-by-step EXPLANATION:

Physical changes only LEAD to changes in physical PROPERTIES of the substance and are REVERSIBLE chemical changes lead to change in composition or the STRUCTURE and are irreversible in nature.

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3) Classify the changes involved in the following processes as physical or chemical changes:(a) Photosynthesis(b) Dissolving sugar in water(c) Burning of coal(d) Melting of wax​

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3) Classify the changes involved in the following processes as physical or chemical changes:(a) Photosynthesis(b) Dissolving sugar in water(c) Burning of coal(d) Melting of wax