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During a chemica change the composition of reactants is modified, new products appear.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoThe mass of the reactants equals the mass of the products. The number and kind of each element in the reactants are the same in the products, they are just rearranged.
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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.
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 chemical change is also called a chemical reaction?
Yes
Is fizzing a chemical change?
There are signs that you can see when a chemical change takes place. It is true that fizzing or foaming is evidence that a chemical change may have occurred.
Is it true during a chemical change the form of a substance is altered but not its identity?
The answer is true
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
What is the True indication of a chemical change?
A change in color
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.
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
Is it true that a chemical change is also called a chemical reaction?
Yes
Does physical and mechanical change the same as physical and chemical change?
no its not true
What is true for a physical change as well as a chemical change?
A chemical has changed appearance in both a physical and chemical change. It cannot stay the same or it wouldn't have changed.
Is fizzing a chemical change?
There are signs that you can see when a chemical change takes place. It is true that fizzing or foaming is evidence that a chemical change may have occurred.
