Respuesta :
I believe the answer is "After adding two substances together a new order is detected" because nearly all of the other answers suggest a chemical change has taken place. The reason I say "almost" is because answer two and four results in bubbles forming so the answer cannot be both. The only one to not clearly show a chemical change has occurred is the last answer.
The change in order of the reaction has not been indicating the chemical change, as no product has been formed.
Options for the chemical change
- Heating mg causes it to turn white.
- Mixing bicarbonate and acid cause a bubble to form.
- Mixing two liquids together causes a thick substance to form that is clearly of different composition to that of either liquid.
- After heating, a solution bubbles form.
- After adding two substances together, a new order is detected.
A chemical change in the substance has been defined as the change in the chemical composition of the reactant by forming product.
The chemical change has been indicated with the release of heat and other gases as well.
Indication of chemical change
The burning of Mg, or mixing of bicarbonate to acid results in the new product formation that has been indicated with the white powder, of bubbles of carbon dioxide.
The formation of thick substance from the mixing of two liquids has been representing the new product formation. This has been the indication for the chemical change.
The heating of solution has been resulted in the bubbles that has been representing the chemical change with the formation of product.
The change in order of the reaction has not been indicating the chemical change, as no product has been formed.
Learn more about the chemical change, here:
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