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Is combining hydrogen and oxygen a physical change or a chemical change?
Wiki User
∙ 6y ago
This is a chemical change.
Lola Cummings
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Is the dissolving salt in water a chemical or physical change?
It is a chemical change because of sodium and hydrogen bonds forming
Is hydrogen and oxygen combing into water a chemical change?
Yes, hydrogen and oxygen combining into water is a chemical change, represented by the following equation: 2H2 + O2 ---> 2H2O
Is it a chemical change physical change chemical property or physical property when hydrogen chloride is a gas at room temperature.?
The observation that hydrogen chloride is a gas at room temperature is a PHYSICAL property.
What are the two criteria for whether a change is chemical or physical?
Oxygen and hydrogen
When Hydrogen sulfide is boiling is it a chemical or physical change?
It is a physical change. This is so because no new substance is formed. Hydrogen Sulfide is Hydrogen Sulfide wether it is boiling, at room temperature, or freezing.
Is Oxygen and hydrogen combining to form water physical or chemical change?
This is a chemical change.
Is Oxygen and hydrogen combining to form water a physical or chemical change?
It is a chemical reaction. Hint: if it has the word "reaction" it. it's probably a chemical process.
Is combining water and salt physical or chemical change?
Dissolving in water is a physical change.
Is does not react with hydrogen a physical or chemical change?
Chemical
Is hydrogen and oxygen combining to form water and example of a physical change?
No, it is not.
When an object does not react with hydrogen is that a chemical change or physical change?
Easy, chemical change.
Is a reacts with an acid to from hydrogen physical or chemical?
chemical change
Is hydrogen burning a physical or chemical change?
burning in presence or absence of oxygen is a chemical change.
Is the dissolving salt in water a chemical or physical change?
It is a chemical change because of sodium and hydrogen bonds forming
Is hydrogen and oxygen combing into water a chemical change?
Yes, hydrogen and oxygen combining into water is a chemical change, represented by the following equation: 2H2 + O2 ---> 2H2O
Dissolution of hydrogen chloride gas in water is a physical change or chemical change?
It is a chemical change ....
If making ammonia from nitrogen and hydrogen A chemical or physical change?
chemical..
