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What are 5 key words in a chemical change?
These are: reaction, chemical formula, reactant, product, chemical equation.
Chemical changes can be reserved by physical change?
No, chemical changes can only be reversed by chemical means, not by physical means.
Physical and chemical changes at home?
chemical changs in a bathroom ?
Chemical changes release energy?
chemical
Are changes in the state of matter are physical chemical or neither?
changes in states of matter are physical changes, as they do not affect the chemical properties of the substance
What are 5 key words in a chemical change?
These are: reaction, chemical formula, reactant, product, chemical equation.
What are the chemical and physical changes of photosynthesis?
There are no physical changes. there are only chemical changes.
do oreos undertake any chemical changes?
Do Oreos undertake any chemical changes? Yes. How can Oreo be a chemical changes? Cooking involve chemical reactions, modifications of chemical molecules.
What is a key feature of a chemical change?
Any change that changes the atomic and molecular composition and structure of the substances involved. Mostly it is a physical change that cannot be reversed.
Are chemical changes irreversible If yes then what about the chemical reactions that are reversible Don't we say that all chemical reactions are chemical changes?
some chemical changes can be reversed but they are hard to reverse usually
What is the process in which substances undergo chemical changes called?
chemical changes
What can chemical changes change?
Cooking food can cause chemical Changes
Are all physical changes accompanied by chemical changes?
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
If a new substance is produced is it a chemical change?
Correct; a chemical change produces a new substance, or in other words, an existing substance changes into a different substance.
Is iron physical changes or chemical changes?
Iron is a chemical element, not a change.
Differences between physical changes and chemical changes?
Physical changes are reversible changes, such as change of state (boiling, melting etc), chemical changes are when something undergoes a reaction changing it's chemical makeup.
Chemical changes can be reserved by physical change?
No, chemical changes can only be reversed by chemical means, not by physical means.
