Question

what is photosynthesis? ​

Answer 1

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Photosynthesis is the process through which plants convert light energy into chemical energy. Here is the chemical reaction involved: water and carbon dioxide combine to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change.

Answer 2

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Photosynthesis is the process by which green plants take in carbon dioxide and water, in the presence of chlorophyll by using sunlight to make their own food. Oxygen is released as a by product.

Chemical Reaction for PHOTOSYNTHESIS

$\sf 12H_2O + 6CO_2 \underset{chlorophyll}{\xrightarrow{Sunlight}} C_6H_{12}O_6 + 6H_2O + 6O_2 \uparrow$

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Raw Materials

• Carbon Dioxide and Water are the raw material of Photosynthesis.
• Sunlight is need for the Photosynthesis.
• Glucose, Water & Oxygen are the products of Photosynthesis.

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Steps of Photosynthesis

• Light energy is converted into Chemical Energy and the Water moleculesplits into Hydrogen and Oxygen.
• Light energy of sun is absorbed by Chlorophyll.
• Carbon-dioxide is reduced to form Glucose. And Oxygen is released into the atmosphere.

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Importance of Photosynthesis

• Photosynthesis is important because it produces oxygen as a bi-product which is necessary for living.
• Plants make food by the help of this process which is also important for living.

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