yes
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.
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This is a chemical reaction.
yes it s an evidence that a chemical change has been occurred
When something fizzes and foams, it's producing some sort of gas within it, thus it's going from a solid/liquid to a gas (a physical change). But, this gas is likely not the same material that it came from. it's just a byproduct of a chemical reaction with in it (a chemical change).
A chemical change that is most likely to involve bubbling or an odor is the reaction between an acid and a base to produce water and a salt. For example, mixing hydrochloric acid (HCl) with sodium hydroxide (NaOH) produces water and sodium chloride (NaCl), with bubbling and a characteristic odor of the products.
Foaming is a chemical phenomenon.
This is a chemical reaction. When vinegar (acetic acid) reacts with baking soda (sodium bicarbonate), it produces carbon dioxide gas, water, and sodium acetate. The bubbling and foaming you observe is the release of the carbon dioxide gas.
Yes
Bubbling can indicate a chemical reaction is occurring because it often involves the release of gas. This gas production can be a sign that new substances are being formed, which is characteristic of a chemical change. The bubbling may be due to the release of a gas as a product of the reaction.
Bubbling present during a chemical reaction is evidence of a gas being produced. The formation of gas bubbles indicates that a chemical change is taking place, often as a result of a reaction between two or more substances.
Paint bubbling is not typically due to a chemical reaction but is more often a result of moisture or heat causing the paint to blister and bubble. This can happen when there is improper surface preparation, such as painting over a damp or dirty surface. If the bubbling is not addressed, it can eventually lead to peeling and flaking of the paint.