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What are two ways to tell if a chemical reachical reaction is taking place?
Wiki User
∙ 12y ago
Color change. Bubbling. Change in temperature.
Wiki User
∙ 12y ago
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When two or more substances combine in a chemical reaction to form another substance a blank reaction is taking place?
Reactants
Why is color taking place of chemical ractions?
After a chemical reaction new compounds (products) are obtained with different chemical and physical properties (including color).
What does the word chemical reaction mean?
chemical as in chemical change, so anything changed in its chemical appearance.
Describe three changes in appearance which show that a chemical reaction is taking place?
The colour, the temperature and formation of gas
When methanol is burned is it a chemical change?
yes, because it is combusting and providing energy. also when something is burned that is a sign of a chemical reaction taking place
What a chemical reaction mean?
A chemical reaction is; when there is a chemical change taking place from energy or shifting of molecular structure.
What chemical reaction is taking place in the green organelles in plant cells?
This chemical reaction is called photosynthesis.
How does colourless Hcl turns to yellow?
a chemical reaction is taking place
Are clouds a physical or chemical change?
Physical because no reaction is taking place.
Is coal gas a mixture or a compound?
A mixture as the is no chemical reaction taking place
Describe the chemical reaction that takes place in tahe decay of foods growth of plantd digestion of food?
what is chemical reaction taking place in the delay of foods growth of pro digestion of foods
When two or more substances combine in a chemical reaction to form another substance a blank reaction is taking place?
Reactants
List three signs that could make you think a chemical reaction might be taking place?
Some signs that a chemical reaction is taking place is color and temperature changes, and the formation of precipitates.
What is an example of a color change that does not indicate a chemical reaction?
Many materials can change colour according to the temperature without there being any chemical reaction taking place.
If a substance effervesces is there a chemical reaction taking place?
no because, you shouln`t be cheating on your homework.
When NaOH and Al are placed together in a container the container heats up What is a true statement for this reaction?
A chemical reaction is taking place.
Why is color taking place of chemical ractions?
After a chemical reaction new compounds (products) are obtained with different chemical and physical properties (including color).
