Yes, it is a chemical reaction.
Evaporating seawater is a physical change. Physical changes affect the form, but not the chemical makeup of a substance. The sea water is undergoing a change in states of matter, not a chemical reaction. You can undo the change by condensing the evaporated water .
chemical
yes, because the powder reacts after hitting the vinegar.
Iodine is used to find starch. If no starch is present, a rusty brown color will appear. If starch is present like in bread and potato, the iodine when put on will turn blackish blue. That is known as a chemical reaction. Since there is no starch in water, the iodine in the water stays the same color as it started (brown). Hope that helps!! :)
Rock salt is simply large crystals of ordinary salt (sodium chloride). It sometimes contains sand or small rocks. No chemical reaction is used to make it. It is mined from salt deposits or obtained by evaporating sea water.
It must be. Minerals and salts are dissolved in the liquid, but do not react with the water. No reaction, no compound.
I DK (ha ha)
No salt water comes from tge sea lol and fresh water is when all the salt has gone
Corrosion is a chemical process.
The ocean is turning black because of poulution.
If you ae talking bubbles released from a can of soda = physical. It is just carbon dioxide being released. If you are talking bubbles produced from a mixture of baking soda and vinegar = chemical. It is actually changing the chemical composition and releasing oxygen from the H2O.
A type of Chemical Rock is -Limestone -Rock salt - Halite and it forms by the water in sea's, lakes, swamps, and reservoirs often contain dissolved minerals/ Chemical sediments form when these minerals precipitate, or FALL out of solution. Precipitation can occur through evaporation or through Chemical reaction. ^^^ i got all of that from my science book which is called Earth Science author...McDouglas Littell