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Digested food , soured milk, Statue of Liberty , and cake mix batter
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What is are four things that indicate that a chemical change probably happened?
Four things that indicate a chemical change probably happened include color change, formation of a precipitate, evolution of gas, and change in temperature. These signs suggest that a new substance with different chemical properties has been formed.
What are four things that indicate that a chemical change probably happened?
Production of gas: If there is a sudden release of gas, bubbling, or fizzing, it may indicate a chemical change. Formation of a precipitate: A solid substance forming in a solution can indicate a chemical change has occurred. Color change: A visible change in color of the substance can be a sign of a chemical reaction. Change in temperature: A noticeable temperature change, either an increase or decrease, can be an indicator of a chemical change taking place.
What are four things that indicate that a chemical change may have taken place?
Change in color: If the substance changes color during a reaction, it may indicate a chemical change. Formation of gas: Production of gas bubbles, fizzing, or bubbling is a sign of a chemical change. Temperature change: Significant heat or cooling effects can indicate a chemical reaction is occurring. Formation of a precipitate: When a solid substance forms in a solution, it suggests a chemical change has taken place.
What are the changes that may accompany a chemical changes?
- a change in color -a change in odour -bubbling -a change of state (eg. solid to liquid, gas to liquid, etc.) either one or a combination of these things can indicate a chemical change.
What are four things that indicate that a chemical change happened?
Digested food , soured milk, Statue of Liberty , and cake mix batter
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.
What are things that indicate that a chemical change probaly happened?
Signs of chemical reactions may be: - Gas release - Formation of a precipitate - Change of color - Change of odor - Change of pH - Change of aspect - Change of viscosity - Change of the temperature - Visible formation of new compounds - Change of the state of the matter - A violent reaction with explosion or fire - Bubbling - Emitting a sound - Emitting a light
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.
Does color changes indicate a chemical change?
Yes. If you mix substances and the mixture changes to a color that is not one of the colors of the things you mixed, then a chemical reaction has occurred. For example, mixing white starch with brownish iodine will immediately turn the starch a very dark blue color.
What are three things that may happning when is a chemical change?
change in clour state and if bubbles form.
Is there any special word to indicate these things?
to indicate what things?
