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They can be reversed by physical changes...
Wiki User
∙ 13y ago
Wiki User
∙ 8y agoDuring a chemical change reactant compounds are transformed in product compounds.
Wiki User
∙ 8y agoA chemical process change the type of molecules.
A physical process doesn't change the structure of the molecule.
Wiki User
∙ 7y agoThe chemical composition of reactants is changed; the products are new compounds.
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During a chemical change the form of a substance is altered but not its identity true or false?
The statement is false: A chemical change of a substance is defined as a change in which the substance is not the same substance after the change as it was before.
Is it true that a physical change and a chemical are exactly alike?
Not true, they are not similar; a chemical change is a change in the molecule, the physical change is not.
Is it true that a chemical change is also called a chemical reaction?
Yes
What shows the kinds and proportions of atoms in a compound?
The problem statement is true.
Is this statement true Ice being broken into small bits is an example of a chemically change?
No it is not, as the ice will still retain its chemical properties. This is an example of a physical change. Remember that the indicators of a chemical change are a change in colour, a change in odour, a change in temperature, the formation of a precipitate, or a gas being given off.
During a chemical change the form of a substance is altered but not its identity true or false?
The statement is false: A chemical change of a substance is defined as a change in which the substance is not the same substance after the change as it was before.
Select the statement that makes the following statement TRUE - When a new chemical is introduced to the work area or if chemical handling requirements change you must contact the sites Environmental?
Process generating the waste.
Is it true that temperature can affect chemical reaction?
Yes, this is a true statement.
Is it true that a physical change and a chemical are exactly alike?
Not true, they are not similar; a chemical change is a change in the molecule, the physical change is not.
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
A change in which one or more substances combine or break apart to form new substances?
chemical change
Which of these is a true statement about grenades?
grenades can contain explosive or chemical fillers
True or false the sublimitation is a change from solid to gas?
That statement is true.
What is the True indication of a chemical change?
A change in color
Chemical properties observed only when a substance undergoes a chemical change a true bfalse?
true
Is it true or false for A Change In State Is A Physical Change?
True. A physical change is a change from one state to another without a change in chemical chemistry.
What is the only true indication of a chemical change?
A change in color
