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changes color, fizzing, foaming, or the production of heat, light, sound or odor.
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∙ 11y ago
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Is adding HCl to Mg physical change?
No. There is a change in substance taking place, so it would be considered a chemical change.
What does fizzing mean in a chemical reaction?
It is a sign that a chemical change is taking place, rather than a physical change.
What is the release of energy by particles of matter that have absorbed energy called?
a chemical change is taking place
When paper turn yellow brown upon exposure to sun light what type of change is likely taking place?
chemical change
What Are Clues That A Chemical Reaction That A Chemical Reaction May Have Taken Place?
formation of a solid and release of heat. apex
What kind of change is taking place if white mold growing on a strawberry?
A chemical change is taking place.
What are four clues that a chemical change has taken place?
A color changeproduction of lightproduction of gasproduction of bubbles
What physical change is shown taking place in burning wood?
chemical change.
The chemical change taking place when food is cooked is?
...irreversible
A release of energy is a sign that?
A chemical change is taking place.
What a chemical reaction mean?
A chemical reaction is; when there is a chemical change taking place from energy or shifting of molecular structure.
What are the five clues that suggests a chemical reaction is taking place?
first when there's a physical change in the substance second there will be a solution or a formula to that substance third is, it involves temperature fourth is change in color of the substance fifth is the bubbling of another substance is yet an another clue that a chemical reaction has occured.
Why is a phase change a physical change and NOT a chemical change?
Because no chemical reaction is taking place. It is the same substance, just in a different state of matter.
What is one fairly certain indication that a chemical change is taking place?
color
Are clouds a physical or chemical change?
Physical because no reaction is taking place.
Is melting ice into water a chemical change?
No. It is a physical change. The chemical formula for water is H2O, and that is also the chemical formula for ice. So there is no chemical change taking place, only a change in the state of matter.
Is adding HCl to Mg physical change?
No. There is a change in substance taking place, so it would be considered a chemical change.
