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Is bread iodine solution a physical or chemical change?
Mixing bread with iodine solution to observe a color change is a physical change as it does not alter the chemical composition of the bread or the iodine solution. The color change occurs due to a physical interaction between the starch in the bread and the iodine molecules.
What are the differences between physical and chemical changes?
Physical changes involve a change in appearance or state of matter without altering the chemical composition, while chemical changes result in the formation of new substances with different chemical properties.
Is the separation of cream and milk a chemical change?
No, the separation of cream and milk is a physical change, not a chemical change. It occurs due to differences in density between the two components and can be reversed by mixing them back together.
When copper sulfate mixed with sodium hydroxide is a form of physical change or chemical change?
The reaction between copper sulfate and sodium hydroxide is a chemical change, as new substances are formed with different chemical properties from the original substances. The blue copper sulfate solution reacts with the colorless sodium hydroxide solution to form a blue precipitate of copper hydroxide and sodium sulfate solution.
What are some similarities and differences between acids and base?
Similarities between acids and bases include their ability to conduct electricity in solution and their involvement in neutralization reactions. Differences include acids donating protons (H+) in solution while bases accept protons, leading to differences in pH levels and chemical properties. Acids typically have a pH below 7, while bases have a pH above 7.
Differences between chemical and physical change?
A chemical change results in a change in chemical composition, while a physical change does not.
What are differences between physical and chemical weathering?
physical: water, wind, and temperature chemical: acid rain and rust
What is the differences between physical and chemical change in tabular form?
physical change are reversable
What the differences between physical weathering and surface waters?
physical weathering is weathering that you can reverse and chemical weathering is where you can' reverse it.
What is the differences between physical and chemical changes in relation to fire services?
Physical changes are melting and boiling in this case; fire is a combustion, a chemical change.
What is the differences between a physical and chemical change in a candle?
The physical change will keep the atoms the same not moving but the chemical change will make it move around with energy.
Is bread iodine solution a physical or chemical change?
Mixing bread with iodine solution to observe a color change is a physical change as it does not alter the chemical composition of the bread or the iodine solution. The color change occurs due to a physical interaction between the starch in the bread and the iodine molecules.
What are the differences between physical and chemical changes?
Physical changes involve a change in appearance or state of matter without altering the chemical composition, while chemical changes result in the formation of new substances with different chemical properties.
What are differences and similarities between physical and chemical weathering?
go to http://evolution.berkeley.edu/evolibrary/article/0_0_0/evodevo_05 to understand what it is.
What are some differences between physical and chemical properties?
A chemical property is when you mix two substances together and a change occurs, a chemical reaction. A physical property is when you literally do something to it, like burning paper, braking wood with an axe, etc.
Is miscibility a chemical property or a physical property?
Miscibility is the property of substances to intermix in all proportions, forming a homogeneous solution of those substances. As no chemical reactions between those substances happen as they go into solution with each other, miscibility must be a physical property.
Is the separation of cream and milk a chemical change?
No, the separation of cream and milk is a physical change, not a chemical change. It occurs due to differences in density between the two components and can be reversed by mixing them back together.
