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Q-8 Answer in long questions.1. Classify the changes involved in the following process as physical or chemical changes.(a) Photosynthesis (b) Dissolving salt in water (c) Burning of coal (d) Melting of wax(e) Digestion of food(f) Dissolve sugar in water2. Explain sea breeze or land breeze.13. List the differences between clayey soil and sandy soil.

Answer»

PHOTOSYNTHESIS it is a chemical CHANGE

dissolving salt in water. physical change

burning of the FUEL is a chemical change

melting of wax. physical change

digestion of food it is a chemical change

DISSOLVE sugar in water it is a chemical change



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