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Is this a chemical change or a physical change - when coal oil and natural gas are decomposed in landfills they produce methane gas?
it is chemical property. they use the word decomposition immaterially shows changein chemical composition.hence chemical change.
Why Heating zinc oxide is a physical change Why?
It is a physical change. I goes from white, to yellow, back to white.
What does the word chemical reaction mean?
chemical as in chemical change, so anything changed in its chemical appearance.
Is preexplode a word?
Yes, pre-explode is an English word which means to expand with force as a result of the rapid chemical change.
What word means pertaining to the physical and chemical processes occurring in cells?
The word you are looking for is "biochemical." Biochemical processes refer to the chemical reactions and interactions that happen within living organisms, particularly within cells.
Is melting of glass a chemical or physical change?
Physical change because no new substance is created.
Reaction of copper and heat is physical change or chemical change?
The reaction of copper with heat is a physical change because no new substances are formed. When copper is heated, it undergoes a change in state from solid to liquid without changing its chemical composition.
Is this a chemical change or a physical change - when coal oil and natural gas are decomposed in landfills they produce methane gas?
it is chemical property. they use the word decomposition immaterially shows changein chemical composition.hence chemical change.
Is mixing kool-aid a physical or chemical change?
It is a physical because it showain't chemical ...chemical does one of the three production of heat or light Production of gas or formation of precipitate which is a solid ... anonymous i don't know how ta spell dat a word tho
Why Heating zinc oxide is a physical change Why?
It is a physical change. I goes from white, to yellow, back to white.
What does the word physical change mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
Is breathing is a physical change?
Don't take only my word for it, but, i think it would be a chemical change because if you think about it you are inhaling oxygen and exhaling carbon dioxide. Which would make it a chemical change, but I am not 100% positive.
What is the word for a chemical change in a substance?
A chemical change is the same as a chemical reaction.
How would you use the word physical change in a sentence?
Erosion includes a physical change to rocks.Her physical change was so dramatic her friends hardly recognized her.Dieting causes a physical change to body appearance.
Is darkening of cut apple physical change?
It's a chemical change because the apple is oxidizing. It turns brown, because of the oxygen, hence the word " oxidizing".
What does the word changes mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
Is Oxygen and hydrogen combining to form water a physical or chemical change?
The formation of water from oxygen and hydrogen is a chemical change because new chemical bonds are formed between the atoms to create a new substance with different properties than the original elements.
