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It's not a physical change. Rather, it is a sign of an already completed chemical reaction.

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14y ago

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Is melting butter a physical or shemical change?

Physical Change if it's not heated to the point where it starts to smoke.


Does smoke of a vehicle a physical or chemical change?

The smoke produced by a vehicle is a combination of physical and chemical changes. The combustion of fuel in the engine is a chemical change that produces gases, while the dispersal of these gases into the air involves physical changes such as condensation and diffusion.


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The black smoke produced from a burning candle is a physical change. This is because the change in appearance (from no smoke to black smoke) does not involve a change in the chemical composition of the candle wax or the oxygen in the air. The black smoke is primarily made up of tiny carbon particles that result from incomplete combustion of the candle wax.


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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.


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 smoking a cigarette a physical or chemical change?

Smoking a cigarette involves a combination of physical and chemical changes. The act of lighting the cigarette and burning the tobacco involves a chemical change, producing new substances. The process of inhaling and exhaling the smoke is a physical change as it involves a change in state (from solid to gas) without altering the chemical composition of the smoke.


Is burning a sticky note a chemical or physical change?

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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.


Is crumple a chemical change or physical change?

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Is burning something a physical change?

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Is a firework a physical or chemical change?

A firework undergoes both physical and chemical changes. The lighting of the firework involves a chemical reaction within the firework's composition to produce the colors and effects seen in the sky. The transformation of the firework materials into smoke and ash after the display represents a physical change.


What are some steps to physical and chemical change?

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