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Is reactivity with water a physical or chemical change?
This is a physical change. The bubbles are pockets of steam which is the same chemical as water, just in a different state.
Why is making a figure from lump of clay considered a physical change?
becaz' it only changes in its physical appearance andno molecules are increased or decreased and no process of chemical change happen
Is forming a mixture a physical change or a chemical change?
Physical there still the same mixture but blended together not a totally different substance.
Is fragrance of a flower a chemical change?
Strictly speaking, the initial volatilizing (evaporation) of the perfume is a physical change but, soon after contact with oxygen, the volatile organic compounds and other components of the perfume begin oxidizing. In that case, there is a chemical change.
What are the Physical and chemical changes as a car ages?
There are many different chemical changes that could happen in a car. The conversion of fuel for example is a chemical change.
Are there instances that physical and chemical happen simultaneously?
yes burnig of candle chewing of food
Is a fire a physical or chemical change?
A fire is a chemical change due to the irreversible changes that happen.
What will happen if there is no physical and chemical change?
The system remain unchanged.
Is reactivity with water a physical or chemical change?
This is a physical change. The bubbles are pockets of steam which is the same chemical as water, just in a different state.
Why is making a figure from lump of clay considered a physical change?
becaz' it only changes in its physical appearance andno molecules are increased or decreased and no process of chemical change happen
If an ice cube is placed in a pot that is heated what will happen after it has melted is it a chemical or physical change?
When ice melts and becomes a liquid it is a physical change. When the liquid boils and becomes gaseous it is a physical change. It is a chemical change when the molecular structure has been changed in some way, here it has not.
What can happen in a physical change to a antacid tablet?
Antiacid tablets are materials not changes; the action of tablets itself is a chemical change.
Is forming a mixture a physical change or a chemical change?
Physical there still the same mixture but blended together not a totally different substance.
What is one thing that will happen in order to signify a chemical change?
If I understand your question correctly, it would be a change in composition that signifies a chemical change. Physical changes are only appearance, while a chemical change alters the substances' entire composition.
Is fragrance of a flower a chemical change?
Strictly speaking, the initial volatilizing (evaporation) of the perfume is a physical change but, soon after contact with oxygen, the volatile organic compounds and other components of the perfume begin oxidizing. In that case, there is a chemical change.
Is cutting paper hearts from red paper a phrsical change or a chemical change?
it is a physical change because you are doing something physical to it an example of a chemical change would be making an explosion the difference between physical and chemical changes is for physical your doing it to something that has physical properties like shaping something or cutting something maybe dealing with a sold or liquid but in a chemical change you are making something new you could say cutting it is physical but once you get the heart you have created something new with the paper a heart so that could be a chemical change because chemical and physical can happen twice even if your doing one task hope that answered your question
How are physical and chemical changes different in two ways?
a physical change can be reversed but a chemical changes is not. you can all tell the different from a physical and chemical change by seeing if the color or if the substances is still in it normal element and it a chemical change if it has been change to a new substances like a burn paper change to Ashes. It is all most a physical change but it can not be reversed back.
