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New substance is made.
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∙ 14y ago
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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.
Is this true or false Subscripts can be changed in order to balance a chemical equation?
False. Subscript cannot be change to balance chemical equations. Only coefficients can be added to balance chemical equation.
Is it true or false that indications of a chemical change include light heat and gas production?
True. Chemical changes can vary from colour change to gas production.
Is blackening a marshmallow a chemical change?
Yes, it is true.
In examples of chemical changes the odor of sour milk indicates a chemical change has taken place true or false?
True
What is the only true indication of a chemical change?
A change in color
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 only chemical changes involve a change in appearance?
yes
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
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 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.
Is it true that a chemical change is also called a chemical reaction?
Yes
True or false every chemical or physical change in matter includes a change in energy?
Every chemical or physical change in matter includes a change in energy.
Is this true or false Subscripts can be changed in order to balance a chemical equation?
False. Subscript cannot be change to balance chemical equations. Only coefficients can be added to balance chemical equation.
