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One of the signs is effervescence ; gas produced.

Another sign is change of colour

Another sign is if the reaction vessel feels warm/hot/cold/cool to the touch.

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lenpollock

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1y ago

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Related Questions

Can a chemical reaction cause heat?

Yes, the signs of a chemical reaction are: gas, precipitation, heat, color change


What is a chemical reaction Hint Think of the table with signs of a chemical reaction?

The question does not have the enough required information that is required to accurately answer it.


Is a chemical reaction (Hint Think of the table with signs of a chemical reaction.)?

The question does not have the enough required information that is required to accurately answer it.


What are signs of a chemical reaction?

Some signs could be: *solids forming *bubbles *color change *temp. change


What are the signs needed in chemical reaction?

color changeformation of a precipitatetemperature changeformation of gas bubbles


The changes that are visible during a chemical reaction are signs that the nuclei in the reactants have been rearranged.?

False.


How could you visually tell that something is having a chemical reaction?

If you see fizzing, bubbling, or a change in color. They're good signs of chemical reactions you can see. Also, smoke. If you see smoke, you probably have a chemical reaction.


In which situation is a chemical reaction occurring?

A chemical reaction occurs when there is a change in the chemical composition of substances involved, resulting in the formation of new substances with different properties. Signs of a chemical reaction include the release of heat or light, formation of a precipitate, color change, or production of gas.


The changes that are visible during a chemical reaction are signs that the?

The changes that are visible during a chemical reaction are signs that the reactants are undergoing a transformation into one or more new substances with different properties. This transformation involves the breaking and forming of chemical bonds, resulting in the manifestation of various observable changes such as color, temperature, gas production, or precipitate formation.


If one substance changes color is it a chemical reaction?

Not necessarily. Things sometimes change colors during a chemical reaction, but a color change is not sufficient evidence of a chemical reaction. You can add drink mix to water and the water turns colors, but it is not a chemical reaction, just a mixture.


List three signs that could make you think a chemical reaction might be taking place?

Formation of bubbles or gas: Gas evolution can indicate a chemical reaction is occurring. Change in color: A sudden change in color could be a sign of a reaction, such as a shift from clear to cloudy. Temperature change: If the reaction generates heat (exothermic) or absorbs heat (endothermic), it can be an indication that a chemical reaction is taking place.


Why........Give a everyday example of a chemical reaction Describe the signs that a reaction has taken place?

* digestion is a chemical reaction.* 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