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metal oxide
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∙ 13y ago
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When a metal it forms a new chemical called an?
It becomes rusty
How do you know flammability is a chemical change?
Because when something is burned, new products are formed.
True or false The candle wax has undergone a chemical change?
False because the wax would have gone through a physical change since it has only melted and turned into liquid but you can reverse the effect by cooling it so it becomes a solid again. (No new substance formed) When the string is burned by the fire, the change is irreversible. Also, when the string is burned, new substances are created like gases and ash making it a chemical change. Since no new substance forms when the candle wax melts, that's why it is a physical change, not a chemical change.
What are the sing of chemical change?
Signs of chemical change are when a substance changes into a new substance. Like Paper being burned turns into gray powder. That is a chemical change.
When metals are burned in the air they form new substance what are these new substance called?
When metals burn in air they form metal oxides.
When a metal it forms a new chemical called an?
It becomes rusty
Which change forms a new substance?
The change were new material is produce is called chemical change.
What kind of reaction forms when a chemical bond breaks and a new bond forms?
Chemical duhhh
What forms a new substance?
Chemical change forms a new substance from another substance.
What change forms a new substance?
compound
Is ferment chemical or physical?
Chemical. It produces new forms of matter that were not there before.
What is the new substance that forms as the result of a chemical reaction?
Products are the new substances that form as a result of a chemical reaction.
How do you know flammability is a chemical change?
Because when something is burned, new products are formed.
True or false The candle wax has undergone a chemical change?
False because the wax would have gone through a physical change since it has only melted and turned into liquid but you can reverse the effect by cooling it so it becomes a solid again. (No new substance formed) When the string is burned by the fire, the change is irreversible. Also, when the string is burned, new substances are created like gases and ash making it a chemical change. Since no new substance forms when the candle wax melts, that's why it is a physical change, not a chemical change.
What are the sing of chemical change?
Signs of chemical change are when a substance changes into a new substance. Like Paper being burned turns into gray powder. That is a chemical change.
What kind of reaction forms a new compound or substance?
A chemical reaction.
Is frying an egg a chemical reactions?
yep. it forms a new substance.
