baking powder. i have no idea how it works though..
A chemical equation lets humans explain a chemical reaction. When the same reaction occurs repeatedly, the equation serves to remind us of what happened in the reaction.
The role of a catalyst is to quicken the chemical reaction . On reacting, it subsequently appears as a product in the next step of the reaction.
A chemical equation lets humans explain a chemical reaction. When the same reaction occurs repeatedly, the equation serves to remind us of what happened in the reaction.
neutrallization is a chemical reaction of acid and alkali
a chemical change is a change which brings about a change in the chemical properties of a substance which cannot be reversed through physical means like heating or cooling.
Nothing to explain; that is the way EXO- and ENDOthemic reactions are called by definition
Burning is an oxydation reaction so a chemical change.
Burning methane is a chemical reaction, because you are reacting it with oxygen. Work on your spelling as well.
This is considered to be a chemical reaction because it is not possible to rearrange water and oxygen to form hydrogen peroxide. This is science studied.
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It is a physical change because it is evaporation. Physical changes can be undone. If it was a chemical reaction it would be permanent like burning wood.
Difficult to explain in some words: see the link below.