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Chemical changes are very important!!
See an example: when Oxygen combines with Hydrogen, it forms water.
Oxygen helps combustion and hydrogen is combustible i.e. both help fire but water helps keep away that fire....
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∙ 12y ago
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How physical and chemical changes are useful?
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What are some useful chemical change?
Some useful chemical changes are when a solid changes into a liquid. Such as when ice melts it is turned into water.Sorry but I am afraid that is wrong.Freezing, melting and evaporation including sublimation, i.e., Changes of State, are all physical, not chemical, changes.As for "useful" chemical changes.... Almost all biological processes, the conversion of fuel to its oxides etc with consequent release of heat &/or light, the list goes on!
What are the good and bad effects of physical chemical changes?
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Which equipment is most useful when measuring the chemical and physiacl environmental changes?
Sensors of varying nature can measure the physical and chemical changes in the Environment. At present, there are no instruments that can measure both physical and chemical factors.
What effects does temperature have on chemical changes?
Generally the speed of reaction increase when the temperature is increased.
What are the effects of physical and chemical changes of matter?
It can form a new substance that can help us..
What are useful effects of amoeba?
no useful effects
Is chemical change causes to the earth?
Chemical changes can have both positive and negative effects on the Earth. Some chemical changes, like natural chemical reactions in the environment, are a normal part of the Earth's ecosystem. However, human-induced chemical changes, such as pollution and industrial waste, can have detrimental effects on the environment, causing air and water pollution, habitat destruction, and negative impacts on wildlife and human health.
What are Useful and Harmful Changes?
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
Good and bad effects of physical and chemical change?
Depending on what are the thing that are undergoing the changes mentioned.
What are two effects caused by a chemical change?
Two effects that are caused by a chemical change are changes from one substance into another. Another effect that can be caused by a chemical change is a change in the temperature of the surrounding system and substance, or a change in color of the substance.
Good effects of physical and chemical change?
Physical and chemical change can have many positive effects on humans. The process of growth involves many reactions and visible changes, resulting in a stronger, more intelligent person.
