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Energy in the Form of Sunlight is Absorbed by the Green Plants in this Process the Reddish-brown Substance Formed Over Iron in the Presence of Oxygen and Moisture It is the Change that Take - Chemistry

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Across
1. Energy in the form of sunlight is absorbed by the green plants in this process.
4. The reddish-brown substance formed over iron in the presence of oxygen and moisture.
5. This change is permanent and irreversible.
6. The process in which a solid directly changes into gaseous state.
Down
1. It is the change that takes place in case of swinging pendulum of a clock.
2. Occurrence of this is a non-periodic change as well as a natural change.
3. It is a physical change

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