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प्रश्न
Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.
State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical change.
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उत्तर
Carbon dioxide and water cannot be obtained back from glucose and oxygen hence it is a chemical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Explain the following giving an example.
Pure substance
Write true or false
Earthquake is a desirable change.
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Select the chemical changes from the following list of changes
Rotting of eggs.
Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
Which of the following is not a physical change?
Explain the characteristics of physical change with examples.
