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Lots of options: metallic sodim and water, for one pair. Much beloved by many chemistry teachers because of its spectacular effect, until the health and safety brigade put an end to it!
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∙ 13y ago
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Is cornstarch mixed with water a chemical reaction?
This mixing is not a chemical reaction.
A solid that forms out of a solution?
Precipitate is a solid formed from a solution during a chemical reaction.
How are reactant elements or molecules different than the compound produced in a chemical reaction?
reactant elements and molecules are used in a chemical reaction, they are not mixed or combined or produced in a chemical reaction.
What kind of reaction occurs when Br and cyclohexene are mixed?
It's called an addition reaction. Specifically, it's an electrophilic addition reaction.
Is cornstarch mixed with vinegar a chemical reaction?
it changes the color of cornstarch *improvement* No, its a physical reaction.
What will happen when potassium and water together what kind of changes?
When potassium metal and water are mixed, a chemical reaction occurs. This exothermic reaction produces hydrogen gas and potassium hydroxide, which dissolves in the remaining water. This reaction can be vigorous and produce light, heat and sound.
Is vinegar form carbon and water mixed with baking soda physical?
No, it is a chemical change. A chemical reaction occurs when the two are mixed-- bubbling/fizzing.
Is cornstarch mixed with water a chemical reaction?
This mixing is not a chemical reaction.
Is vigorous bubbling when two substances are mixed an indication that a chemical change is occurring?
Yes
What will happen when a strong acid and base mix?
That's an exo-thermal reaction, when the strong acid and base mixed, the reaction is very vigorous.
Is a mixture ever evidence of a chemical reaction?
Just because one has mixed chemicals together doesn't mean one will get a chemical reaction. The two chemicals could stay neutral when mixed. So, no just because a chemical is mixed it doesn't have to have a reaction.
When hydrochloric acid is mixed with calcium is that a chemical or a physical reaction?
chemical how do you know?
A solid that forms out of a solution?
Precipitate is a solid formed from a solution during a chemical reaction.
When baking soda is mixed with vinegar which type of reaction has taken place?
its a chemical reaction
How are reactant elements or molecules different than the compound produced in a chemical reaction?
reactant elements and molecules are used in a chemical reaction, they are not mixed or combined or produced in a chemical reaction.
Soap mixed with lemon juice chemical reaction?
maybe
Is picking up iron filings with a magnet a chemical reaction?
No, a chemical reaction is when the atoms are not mixed together but chemical bonded together. You know when a chemical reaction has happened when you can smell, hear or see things reacting.
