D.Two liquids are mixed at room temperature and a gas forms.
D.Two liquids are mixed at room temperature and a gas forms.
Two liquids are mixed at room temperature and a gas forms.
Very probable a chemical change; but also physical changes can be the cause.
Evidence of a chemical change includes a change in color, formation of a precipitate, evolution of gas bubbles, or a change in temperature. Additionally, if the substance cannot be easily reversed back to its original form, it is likely a chemical change has occurred.
it can be both, but more likely is it a chemical change.
The most likely sign that a chemical change has occurred is the formation of a new substance with different properties. This can include color changes, formation of a precipitate, evolution of gas, or changes in temperature.
it can be both, but more likely is it a chemical change.
This is a chemical reaction.
I believe the word you are searching for is Reactivity?
Burning is most likely chemical
Crushing the graham crackers is a physical change, not chemical. *Chemical reactions and chemical changes are the same thing.
A match burning is a chemical change. Salt dissolving in water is a physical change.