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새로운 프레젠테이션 도우미가 기다리고 있어요.
뎌욱 빠르게 컨텐츠를 다듬고, 보강하고, 편집하고, 원하는 이미지를 찾고, 시각자료를 편집하세요.
트렌드 검색
1) Bubbles of gas appear
2) A precipitate forms
3) A color change occurs
4) The temperature changes
5) Light is emitted
6) A change in volume occurs
7) A change in electrical conductivity occurs
8) A change in melting point or boiling point occurs
9) A change in smell or taste occurs
10) A change in any distinctive chemical or physical property occurs
What actually happens is this: the acetic acid (that's what makes vinegar sour) reacts with sodium bicarbonate (a compound that's in baking soda) to form carbonic acid.
Picture explains this chemical reaction
Lets look at five!
three important pigments (chlorophyll, carotenoids, and anthocyanins) break down to contribute to the color changing of leaves.
When a chemical reaction is produced, a light or change in temperature can occur, the picture below explains the chemical reaction
When an egg begins to smell, (a rotten egg) a chemical reaction has taken place. This is the result of a chemical decomposition