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1-change of color
2- gas released (smell)
3-exchange of energy
4-Sorry to leave this one blank but it is incorrect
5- production of light
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∙ 9y ago
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Is things that rot a chemical change or a physical change?
Chemical, (biological, bio-organically), definitely NOT physical.
What are three things that are often indications of chemical changes?
Chemical changes can be identified by 1. Color change 2. Fizzing 3. Temperature changes 4. Odor changes 5. Change in the state of matter (solid, liquid, gas)
What are three things that may happning when is a chemical change?
change in clour state and if bubbles form.
What 2 things can chemical and physical change go through?
a candle is a thing which can chemical and physical go throug
Is a burning wood into ashes and smoke a physical or chemical change?
Burning wood is a chemical change - although, like most chemical changes it is accompanied by a physical change. Usually we reserve the term physical changes for things like erosion, melting, or evaporation where no change in composition occurs.
List 5 indications of a chemical change?
If an object has changed its chemical composition it has been through a chemical change. If you can't reverse what has been done in any way (things like burning, mixing, rusting) it's a chemical change
What things are chemical change?
Things can not be a chemical change. This question needs rephrasing. "What things undergo chemical change" maybe a better question but even then the question would be too broad.
Is burning gasoline a physical or chemical change?
Burnig things is always a chemical change.
Is things that rot a chemical change or a physical change?
Chemical, (biological, bio-organically), definitely NOT physical.
What 5 clues when considering a physical change?
5 clues of a chemical change
What things can be done to change how fast a chemical reaction occurs?
You can add a catalyst, or raise the temperature, or change the pressure, these are some of the things done to speed up a chemical reaction.
What are three things that are often indications of chemical changes?
Chemical changes can be identified by 1. Color change 2. Fizzing 3. Temperature changes 4. Odor changes 5. Change in the state of matter (solid, liquid, gas)
Is lightning a chemical or physical change?
Lightning is a physical change not a chemical change. Other things that are physical changes are breaking a bottle and melting ice.
What are the 5 things that are moslty likey going to happen in a chemical reaction?
color change, formation of a gas, formation of a precipitate, change in temperature, a solid disappears, a new odor is produced
What are 5 key words in a chemical change?
These are: reaction, chemical formula, reactant, product, chemical equation.
What are three things that may happning when is a chemical change?
change in clour state and if bubbles form.
What two things are unaffected in a physical change?
The chemical composition is not changed.
