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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.4. Differentiate between physical changes and chemical changes.5. Distinguish between acid and bases with examples.6. Describe the stages involved the life cycle of a silkworm with a neat and labeled diagram. |
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Answer» Answer: Processes Types of Changes Photosynthesis Chemical Changes Dissolving SUGAR in WATER Physical Changes Burning of coal Chemical Changes Melting of wax Digestion of food Chemical Changes Physical Changes Beating ALUMINIUM to MAKE aluminium foil Physical Changes
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