General Science - Physics (Basics)
Which of the following changes involves absorption of energy and formation of new substances?
Which of the following changes involves absorption of energy and formation of new substances?
medium Q5 of 15
Step-by-Step Solution
Step 1: Understand energy absorption in changes
Chemical changes may absorb energy and form new substances.Step 2: Analyze options
Photosynthesis absorbs sunlight energy to form glucose (new substance). Melting, freezing, and evaporation are physical changes without new substances.Final Answer:
Photosynthesis in plants → Option AQuick Check:
Energy absorption and new substances = Photosynthesis ✅
Quick Trick: Photosynthesis is a chemical change requiring energy.
Common Mistakes:
- Confusing melting or evaporation as chemical changes.
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