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When a change makes a new substance you say a - has taken place?
Wiki User
∙ 12y ago
A chemical reaction makes a new substance.
Wiki User
∙ 12y ago
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What shows in reaction that chemical change has take place?
a reaction has taken place when one or more of the following occur : - a new substance is formed - change in colour - precipitate is formed
Why is solubility a physical change?
While solubility is undergoing changes in their substances wheather it could be from a mechanical deformation, exposure to another substance, or any of a number other alterations. If the same substance remains after the change, a physical change has taken place.
What is the difference between endothemic and exothemic?
The difference is that the endothemic change is when energy is absorbed from the substance and exothermic change is when energy is removed or taken out of the substance.
What is a substance that are present after the reaction has taken place?
These substances are called products.
What are the substance that are present after the reaction has taken place?
These substances are called products.
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.
If dish of sugar and water solution is left in the sun after a few days the solution has disappeared and a white residue remains on the dish Has a physical or chemical change taken place explain?
Yes, A physical change has taken place. The water has evaporated and left the sugar. Neither substance has changed its identity. GOOD LUCK ON YOUR TEST!
Is adsorption a chemical process in which one substance is taken up by another?
Is adsorption a chemical process in which one substance is taken up by another?
Can you list three kinds of changes that indicate a chemical reaction has taken place?
Some signs that a chemical change has taken place is that a gas can be produced, the temperature can change, and a substance disappears. Other signs are that a solid is formed, the color changes, and a new odor is produced.
Where does what makes you beautiful music video take place?
The video "What Makes You Beautiful" by One Direction is taken place at the beach
A change in color when two solutions are mixed together is a clue that what has taken place?
A change in the color of a solution is a sign thatthere is a chemical change happening. A chemical change happens when two substances combine forming another substance. It can also happen when two or more substances decompose.
What does the physical change mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
