The burning of wood is a chemical change as it leads to the formation of new substances like Carbon dioxide gas, water vapour, ash, etc.
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Why is burning wood a chemical and physical change?
The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapour, heat and light. This change is irreversible and hence a chemical change. While cutting wood into smaller pieces is a physical change as there is no change in the original composition of wood.
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What type of chemical change is burning wood?
combustion – Kids | Britannica Kids | Homework Help. Log burning in a fire. Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapour, and ash.
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Why is burning a chemical or physical change?
The process of burning (as opposed to evaporating) is a chemical reaction, a chemical change. The wax molecules are undergoing a chemical change; they are changing into different molecules by reacting with a substance in the air.
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Why is fire burning a chemical change?
The flame of the fire is actually an indication of a chemical reaction. Fire is a particular type of chemical reaction in which the atoms in a fuel (the material that burns) react with oxygen. The reaction produces different molecules, such as carbon dioxide and water, and releases energy in the form of light and heat.
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Why is burning wood a chemical energy?
While burning of wood, the chemical energy in the wood is released as heat because of the chemical reaction of wood and oxygen. This type of chemical reaction is called combustion and it requires oxygen. Combustion converts the stored chemical energy in the wood into heat and light energy.
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What is the chemical change of burning wood?
When wood is set on fire, the Carbon present in the form of Methane or butane combusts in the presence of Oxygen to form water and Carbon dioxide. The burning of wood is a chemical change as it leads to the formation of new substances like Carbon dioxide gas, water vapour, ash, etc.
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How is burning wood a physical change?
The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapour, heat and light. This change is irreversible and hence a chemical change. While cutting wood into smaller pieces is a physical change as there is no change in the original composition of wood.
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