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Is mixing two substances and light is produced a chemical or physical change?
If light is produced when two substances are mixed, it is most likely a chemical change. Chemical changes involve the formation of new substances with different properties, whereas physical changes typically only affect the state or appearance of a substance without altering its chemical composition.
What is the most important question to ask to determine whether a change is physical or chemical?
did the composition change
How do you know that a chemical reaction is taking place?
You can tell a chemical reaction is taking place if there is a change in color, temperature, formation of gas bubbles, or the production of a precipitate. Additionally, if the reactants are transformed into new substances with different properties, a chemical reaction has likely occurred.
If a substance changes color what has most likely happened chemical or physical change?
Very probable a chemical change; but also physical changes can be the cause.
If the chemical properties of a substance have not changed has a chemical reaction occurred?
It depends: just try to relate, try to write a chemical equation for and see if there are byproducts. Most likely, if the same chemical still has its same properties After the reaction, a chemical reaction has not occurred.
What chemical change is most likely to involve bubbling or an odor?
This is a chemical reaction.
Which one is not a sign of a chemical change change in shape bubbling smoking changing color?
Changing shape is not typically a sign of a chemical change. Chemical changes involve the rearrangement of atoms and molecules to form new substances with different properties. Shape change is more likely a physical change.
Is mixing two substances and light is produced a chemical or physical change?
If light is produced when two substances are mixed, it is most likely a chemical change. Chemical changes involve the formation of new substances with different properties, whereas physical changes typically only affect the state or appearance of a substance without altering its chemical composition.
What is the most important question to ask to determine whether a change is physical or chemical?
did the composition change
How do you know that a chemical reaction is taking place?
You can tell a chemical reaction is taking place if there is a change in color, temperature, formation of gas bubbles, or the production of a precipitate. Additionally, if the reactants are transformed into new substances with different properties, a chemical reaction has likely occurred.
Is colour physical or a chemical?
it can be both, but more likely is it a chemical change.
A fire starts in a frying pan in your kitchen You grab a box of baking soda and throw its content into the pan Bubbling and foaming occur and the fire goes out what evidence that the chemical reaction?
The evidence that a chemical reaction occurred is the bubbling and foaming when the baking soda was thrown into the pan, which indicates a release of gas. Additionally, the extinguishing of the fire suggests a chemical change happened, as the baking soda likely released carbon dioxide gas, displacing oxygen and suffocating the fire.
Is colour a physical or chemical property?
it can be both, but more likely is it a chemical change.
Is turing eggs into an omelette a chemical or physical?
Eggs turning into an omelette is a chemical change. When you cook eggs, they will most likely bubble or fizz. Bubbling or fizzing is a sign of a chemical change. Also, once the egg is turned into an omelette, you are never able to change it back into an egg. Physical changes are reversible, and chemical changes are not easily reversed. Eggs turning into an omelette is a chemical change. Hope I helped :)
What is what indicates how likely a chemical is to undergo a chemical change called?
I believe the word you are searching for is Reactivity?
Is burning a bagel a physical or chemical change?
Burning is most likely chemical
If graham crackers are crushed for a pie crust is that likely caused by a chemical reacion or chemical change?
Crushing the graham crackers is a physical change, not chemical. *Chemical reactions and chemical changes are the same thing.
