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Smoke is not a change but a complex mixture; producing smoke is a chemical process.
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When a rocket is launched is it physical chemical or nuclear change?
when fireworks go off, the energy released show a chemical reaction. gasses such as carbon dioxide and particles of smoke go up in the air.
Is lighting a candle a physical or a chemical change?
It is chemica changel because it produces gas and the smoke it produce is one of the evidence that it is really a chemical change, also you can't put it back to its beginning state.
Gun powder explodes is it a chemical or physical change?
Chemical, since it is no longer gun powder after the reaction, it is smoke.
Is smoking a cigerrette a physical change?
It is a chemical change, even though the cigarette is getting physically smaller. When heat is added and you inhale the chemicals, the cigarette burns and you blow out smoke which in itself is a chemical reaction that cannot be reversed. Therefore, it's purely chemical. Remember that chemical changes cannot be reversed and physical changes can. Freezing water and then melting it is an example of a physical change. The example you mentioned is a chemical change. Hope this helps! - D.F
Is burning of an incense stick as physical or a chemical change give reason?
Its an irreversible (chemical) change because when we burn it, it produces smoke and turns into ash. And because of that it can't come back to its original shape and stays irreversible.
Black smoke from candle physical change or chemical change?
chemical change Madison and Kayla were here ;)
Is smoke a physical change?
It's not a physical change. Rather, it is a sign of an already completed chemical reaction.
Is dry ice changing into theatrical smoke physical or chemical change?
Dry ice doesn't "turn into smoke". Dry ice causes moisture in the air to condense, forming fog. This is a purely physical, not chemical, change.
Is smoke a chemical or physical hazard?
After my opinion smoke is a chemical hazard but also physical.
Is burning a sticky note a chemical or physical change?
Burning a sticky note is a chemical change. It involves the combustion of the paper, which results in the production of new substances, such as ash, smoke, and gases.
What is a sign that a chemical change has occurred smoke broken pieces change in shape or change in state?
The production of smoke from something burning would be a sign of a chemical change. Broken pieces, change in shape, or change in state are all physical changes.
Is a burning wood into ashes and smoke a physical or chemical change?
Burning wood is a chemical change - although, like most chemical changes it is accompanied by a physical change. Usually we reserve the term physical changes for things like erosion, melting, or evaporation where no change in composition occurs.
When a rocket is launched is it physical chemical or nuclear change?
when fireworks go off, the energy released show a chemical reaction. gasses such as carbon dioxide and particles of smoke go up in the air.
Is lighting a candle a physical or a chemical change?
It is chemica changel because it produces gas and the smoke it produce is one of the evidence that it is really a chemical change, also you can't put it back to its beginning state.
How can you tell the difference between a chemical reaction and not a chemical reaction?
A chemical reaction will do the following; Change colour Create smoke A non chemical reaction (Physical Reaction) will do the following; Change State Be able to change back to the original materials
Gun powder explodes is it a chemical or physical change?
Chemical, since it is no longer gun powder after the reaction, it is smoke.
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!
