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Is a sugar a chemical change?
Sugar is a chemical compound or rather a group of compounds containing carbon oxygen and hydrogen, not a chemical change.
When an electric current passes through water takes place breaking down the compound into hydrogen and oxygen. a physical change an atomic change a chemical change an elemental change?
When an electric current passes through water, it breaks down the compound into hydrogen and oxygen, which is known as electrolysis. This process involves the breaking of chemical bonds and the formation of new substances, indicating a chemical change. Thus, the correct answer is a chemical change.
Is hydrogen burns in chlorine gas chemical or physical change?
When you combust hydrogen in air, the hydrogen will combine with oxygen to form water. Therefore, the hydrogen and oxygen are undergoing a chemical change to become bonded together producing H2O: 2H2 + O2 → 2H2O + Heat
A substance formed when two or more other substances are combined and a chemical change takes place?
A compound is formed when two or more other substances are combined and a chemical change takes place. Pure water would be an example of a compound.
When an electrical current passes through water what takes place breaking down the compound into hydrogen and oxygen?
A Chemical Change :)
Is combining hydrogen and oxygen a physical change or a chemical change?
This is a chemical change.
Is acidity physical change or chemical change?
An acid is a chemical compound, not a physical or chemical change.
Is hydrogen burning a physical or chemical change?
The burning of hydrogen is a chemical change because it involves the rearrangement of the atoms in the hydrogen molecule to form water. This process also releases energy in the form of heat and light.
When an object does not react with hydrogen is that a chemical change or physical change?
Easy, chemical change.
How does the name of an atom change when a compound is formed?
This is a chemical change, a chemical reaction.
Who discovered sugar is a chemical change?
Sugar is a (chemical) compound, but not a change at all.
Dissolution of hydrogen chloride gas in water is a physical change or chemical change?
It is a chemical change ....
