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What are 4 indicators to identify a chemical change has taken place?
Precipitate (solid matter formation), Temperature change, Gas formation, and color change.
Is an indication of chemical change?
Not necessarily. If the color change is in the presence of 1 or all of the following:a precipitate (insoluable substance)a gas being produced (bubbling)energy being released or absorbed by chemicals,then it is indicating a chemical change.
Is flavor change a chemical reaction?
Flavor change can be a result of a chemical reaction. When certain molecules in food or drink interact with each other or with the taste receptors on our tongue, it can alter the flavor. This can involve chemical reactions, such as the breakdown or formation of new compounds.
What identifies a chemical change has taken place?
Signs that a chemical change has taken place include the formation of a gas, the formation of a precipitate, a change in temperature, and a change in color.
How can you know this is a chemical reaction?
Evidence of a chemical reaction include the following: formation of a precipitate formation of a gas change in temperature change in color
Is an formation of precipitate an indication of a chemical change?
a
What are 4 indicators to identify a chemical change has taken place?
Precipitate (solid matter formation), Temperature change, Gas formation, and color change.
Is an indication of chemical change?
Not necessarily. If the color change is in the presence of 1 or all of the following:a precipitate (insoluable substance)a gas being produced (bubbling)energy being released or absorbed by chemicals,then it is indicating a chemical change.
Which of the following is the most likely a sign that a chemical change has happened?
D.Two liquids are mixed at room temperature and a gas forms.
What is the True indication of a chemical change?
A change in color
What is the only true indication of a chemical change?
A change in color
Is flavor change a chemical reaction?
Flavor change can be a result of a chemical reaction. When certain molecules in food or drink interact with each other or with the taste receptors on our tongue, it can alter the flavor. This can involve chemical reactions, such as the breakdown or formation of new compounds.
Is the formation of gas a chemical change or physical change?
Chemical change
Is the changing colors of a chemical change an indication?
yes
What is the indication that neutralization was completed?
A change in pH or the formation of water and a salt.
Is a chemical bond a physical change?
The formation of chemical bonds is a chemical change.
Is chemicals bonding a physical or chemical change?
The formation of chemical bonds is a chemical change.
