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Is limestone gives off carbon dioxide when heated physical or chemical?
chemical. a new substance was produced
What gas is produced when substance is produced?
That depends on what substance you are talking about.
Reacts with acid to form h2 is physical or chemical property?
If a new substance has been produced it must be a chemical change.
True or false the dissolving of sugar in water is an example of a chemial change?
false - it's a physical change. The sugar remains sugar only in solution.
Is cracking eggs a chemial change?
Cracking an egg is a physical change, not a chemical change.
An example of icemelting physical or chemial?
Purely physical
Is bromine physical or chemical property?
Bromine is an element. It has both physical and chemial properties
Is the energy produced by a ball rolling on the floor called mechanical energy?
Chemial
Is bromine a chemical or physical property?
Bromine is an element. It has both physical and chemial properties
Why physical changes can easily be reversed but why chemical cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
How do you know if a chemical change has occurred versus a physical one?
If a new substance is produced.
Explain Why physical changes can be reversed but chemical changes cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
Why physical change can easily be reversed but chemical change cannot?
Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.
The process which rocks materials are brokendown bynthe action of physical or chemial process is called what?
weathering
What is the meaning of chemial chage?
A rearrangement of the atomic array of matter which results in a change of physical properties.
What happens to energy during a change of state why is it a physical change?
Its released or adsorbed. Its "physical" because no new substance(s) is produced.
What happen to energy during a change of state Why is it a physical change?
Its released or adsorbed. Its "physical" because no new substance(s) is produced.
