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Physical change
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What is a flower petal turning brown a physical or chemical change?
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
When a flower goes brown is it a chemical or physical change?
The browning of a flower is a chemical change. Color changes are one sign of a chemical reaction.
Is heating sucrose a physical or chemical change?
At first it is a physical reaction. If you keep heating it it will undergo a chemical change. In fact, once it melts you have altered its chemical makeup (melting by itself is a physical change but in sugar that also marks a chemical change). Heat more and it undergoes another chemical change and goes from clear to brown another chemical change takes places. Eventually you can drive off (almost) all but the carbon atoms.http://answers.yahoo.com/question/index?qid=20080906171221AAcGFPs
Is changing color of apple a chemical or physical change?
Changing the color of an apple is a chemical change because it involves a chemical reaction that alters the molecular structure of the apple's pigments, such as when the apple oxidizes and turns brown.
Is toast physical change or chemical change?
Making toast is a chemical reaction because you can't change it back into untoasted bread.The drying of the bread is physical but the actual caramelization or darkening of the outer bread layer is a chemical change. The outer edges of the bread are beginning to char. Generally, a color change is an indicator of a chemical change.
Is heating a sugar a chemical change?
Depends on the temperature! If it gets brown, yes.
If grass turns brown as it dries is it a physical or chemical change?
it is a chemical change
What is a flower petal turning brown a physical or chemical change?
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
Is leaving a potato slice and turns brown is a chemical or physical change?
It is a chemical change - oxidisation.
When paper changes from yellow to brown in sunlight what type of change occurred?
A chemical change. Color change is a good indicator of a chemical change.
When a flower goes brown is it a chemical or physical change?
The browning of a flower is a chemical change. Color changes are one sign of a chemical reaction.
Is heating sucrose a physical or chemical change?
At first it is a physical reaction. If you keep heating it it will undergo a chemical change. In fact, once it melts you have altered its chemical makeup (melting by itself is a physical change but in sugar that also marks a chemical change). Heat more and it undergoes another chemical change and goes from clear to brown another chemical change takes places. Eventually you can drive off (almost) all but the carbon atoms.http://answers.yahoo.com/question/index?qid=20080906171221AAcGFPs
Is it safe to drink the water from a brown coconut?
Yes, it is generally safe to drink the water from a brown coconut as long as the coconut is fresh and has not been contaminated.
Is changing color of apple a chemical or physical change?
Changing the color of an apple is a chemical change because it involves a chemical reaction that alters the molecular structure of the apple's pigments, such as when the apple oxidizes and turns brown.
Is toast physical change or chemical change?
Making toast is a chemical reaction because you can't change it back into untoasted bread.The drying of the bread is physical but the actual caramelization or darkening of the outer bread layer is a chemical change. The outer edges of the bread are beginning to char. Generally, a color change is an indicator of a chemical change.
Is mixing brown sugar into your oatmeal a chemical change?
No, mixing brown sugar into oatmeal is a physical change, not a chemical change. The brown sugar and oatmeal retain their original properties and can be separated back into their individual components. Chemical changes involve a rearrangement of atoms and the formation of new substances.
Can you drink brown coconut water?
No, brown coconut water is not safe to drink as it indicates that the coconut is spoiled or old. It is best to drink clear or slightly cloudy coconut water for freshness and taste.
