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13y ago

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Burning a candle is a change?

Yes.


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.


Is a candle burning a physical change?

It is actually both. The burning of the wick involves a chemical change. The physical change is the wax.


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.


How we know a chemical change has occurred when burning a candle?

Burning is a chemical reaction, an oxydation.


How could you check that mass of the candle change during burning?

Put the candle on a technical balance.


What part of a burning candle takes place and physical change?

The melting of the wax is a physical change. The burning the of wick is the chemical change


How do you know that the burning of candle of wax is an exothermic change?

An exothermic reaction involves the release of heat into a system. The burning of a candle is combustion reaction. Combustion reaction release heat, and this can be detected and measured by the burning of a candle's wax. From these testable observations it is determined fact that candle burning is indeed exothermic.


Is candle burning physical change?

Physical change means change physically while chemical change means change chemically or change in chemical properties.Like if you would drop a chip of zinc in sulphuric acid it will its color will be changed which is no doubt a physical change.But,also its properties are changed as it will be transformed into zinc sulphate from simple zinc,thus it also undergoes a chemical change. Now,with your question,the candle breaks but the candle remains the candle,so,its not a chemical change but a physical change only.Hope it helps!


How can you change the burning time of a candle?

It can be changes by changing the size or the thickness of the candle, or changing the nature of the wax.


Is candle wax burning a physical change?

For the wax, yes. It changes to a liquid and then back to a solid. But some of the wax is also consumed in a chemical change as it oxidizes, along with the burning wick.


Why is melting of covered candle a physical change while burning of a candle wick a chemical change?

This is because a candle will change its whole form and stay that way, which is a physical outer change. And a candle wick only burns, it doesn't change it's appearance.