is melting a chemical or physical change
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Is melting point a physical or chemical change?
Is melting point considered a physical or chemical change? Physical changes are largely changes of state …….. So the transition, solid to liquid, or liquid to gas, should properly be regarded as examples of physical change.
Is melting glass a chemical change?
Is Melting glass a chemical or physical change? Answer and Explanation: No, glass melting is not a chemical reaction . Reactions may bring about change in substances and may be characterized as chemical or physical change .
What happens to a material when it undergoes a physical change?
A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced. A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity.
What is the difference between physical and chemical changes?
Physical changes in matter are reversible: An ice cube can melt into liquid water, and then the liquid water can be frozen back into an ice cube. Chemical changes, on the other hand, are not reversible: A log burned in a fire turns to ashes, but the ashes cannot be changed back into a log. What Is a Physical Change?