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Yes, a new substance is formed when a candle burns. The wax in the candle combines with oxygen from the air to produce carbon dioxide and water vapor, along with some other byproducts such as carbon monoxide and soot.

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1y ago

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Is burning a candle wick a physical property?

No, burning a candle wick is a chemical change, not a physical property. Physical properties describe characteristics that can be observed without changing the substance's identity, while chemical changes involve the rearrangement of atoms and result in a new substance being formed.


What is a substance formed in a chemical reaction?

a substance that is formed in a chemical reaction is called a product=)After a chemical reaction, new chemicals are formed. For an example:-NaOH + HCl = NaCl + HOH(H2O)Chemical substances are formed in chemical reactions.


Is burning ammonium dichromate a chemical or a physical change?

chemical because a new substance is formed


Is a candle burns chemical reaction?

Yes, burning a candle is a chemical reaction. The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens. Chemical changes are irreversible.Yes, whenever a candle burns, it is a combustion reaction between the carbon compounds of the wick and wax of the candle and of oxygen in the air. These compounds burn to create carbon dioxide and water, and also a few smaller carbon compounds, which is evident as the smoke rising occasionally from the flame. The flame you see and the heat you feel rising off of the burning wick is the evidence of an exothermic chemical reaction.Yes, burning a candle is a chemical reaction. The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens. Chemical changes are irreversible.


Draw a burning candle and mark there is a reversible reaction?

Burning a candle is a chemical reaction. This chemical change is irreversible:So you'll never get a candle back by puting carbon dioxide and water together and put some light and heat (flame energy) back into it. You can't reverse 'the movie'The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens.


Why are metal alloys an example of a physical change and not a chemical change?

They are a physical change because it is not like burning where a new substance is being formed.


Is a candle burning chemical change?

Yes, burning a candle is a chemical change. New chemical compounds are being formed as the reaction continues. The paraffin in the candle is a hydrocarbon chain, and it is "breaking down" chemically using oxygen from the air to form (idealy) carbon dioxide and water. But there are also physical changes that take place at the same time. Phenomena during the candle burning: - melting (physical phenomenon) - evaporation (may be considered a chemical but also a physical phenomenon) - oxydation - reaction with oxygen, burning (chemical phenomenon) - thermal decomposition (chemical phenomenon)


Is burning candle getting shorter physical or chemical change?

Burning a candle is a chemical change because the wax undergoes a chemical reaction with oxygen in the air to form new substances like carbon dioxide and water. This process results in the candle getting shorter as it burns.


Which of the followings forms a new substance?

Which of the following forms a new substance?


Why burning candle is chemical change?

It is a chemical change because the burning thread is combusted. The combustion is an oxidation reaction. Most importantly, it is a chemical change because after burning, the chemical properties of the thread is changed entirely!


What is burning candle it is physically Chang or chamically?

Burning a candle involves a chemical change, as the wax is being oxidized by the oxygen in the air to produce heat, light, carbon dioxide, and water vapor. This process is irreversible and results in the formation of new substances, which is characteristic of a chemical change.


What is a physical reactions?

Answer:A physical reaction is a reaction whereby a new substance is not formed and is reversible.For example,folding of paper. Unlike a physical reaction,a chemical reaction is a process whereby a new substance is formed and is not reversible.For example,burning of paper.