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How do you determine a chemical change has occurred when two substances are combined?
A chemical change can be determined when two substances are combined by observing if there is a color change, formation of a precipitate, evolution of gas, or change in temperature. Additionally, if the chemical properties of the substances change, such as their reactivity or toxicity, it indicates a chemical reaction has taken place.
Two chemical are mixed together and a gas is produce is it chemical or physical?
The production of a gas when two chemicals are mixed is a chemical change. This is because it involves a reorganization of the atoms in the reactants to form new compounds, resulting in a change in chemical composition.
When two clear liquids are mixed and a yellow color forms is it a chemical change?
Yes, if two clear liquids are mixed and a yellow color forms, it is likely a chemical change. A color change is often an indicator of a chemical reaction taking place, indicating that new substances with different properties are being formed.
A change in color when two solutions are mixed together is a clue that what has taken place?
A change in color when two solutions are mixed together is a clue that a chemical reaction has taken place. This change is often due to the formation of new chemical compounds with different properties than the original solutions.
Is a change of liquid to liquid a chemical change or physical change?
A change from one liquid to another is typically considered a physical change rather than a chemical change. This is because the chemical composition of the substances involved remains the same during the transition.
What are two effects caused by a chemical change?
Two effects that are caused by a chemical change are changes from one substance into another. Another effect that can be caused by a chemical change is a change in the temperature of the surrounding system and substance, or a change in color of the substance.
Can use chemical in sentence?
Chemical reactions are caused by two reactants
What are two kinds of chemical change?
chemical and physical
Is a change a physical or chemical change?
There are two kinds of changes - physical and chemical. It depends on how the change is made.
Is Molding food a chemical or physical change and why?
its a physical joking its a chemical change a physical is one substances, and a chemical change is two or more substances so the answer is to food molding a chemical change
What An interaction of two or more molecules to create a chemical change?
chemical
How do you determine a chemical change has occurred when two substances are combined?
A chemical change can be determined when two substances are combined by observing if there is a color change, formation of a precipitate, evolution of gas, or change in temperature. Additionally, if the chemical properties of the substances change, such as their reactivity or toxicity, it indicates a chemical reaction has taken place.
Is dissolving salt in water a example of a chemical change?
No. It is a physical change. All you have to do to separate the two is to evaporate the water. There is no chemical change.
Two chemical are mixed together and a gas is produce is it chemical or physical?
The production of a gas when two chemicals are mixed is a chemical change. This is because it involves a reorganization of the atoms in the reactants to form new compounds, resulting in a change in chemical composition.
Is a cut healing a physical or chemical change?
Chemical. The hydrogen peroxide breaks down into water and elemental oxygen. Two new substances are created.
When two substances react what change occurs?
when two substances react a chemical change occurs
What is a synonym for a chemical change?
A chemical change is the result of two or more substances combining to form an entirely new substance. Some synonyms for the term chemical change include synthesis, chemical action, and chemical process.
