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All opals are hydrated amorphous forms of silica: SiO2.nH2O.
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Is a firefly emitting light chemical or physical change?
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!
What are substances that make up compound?
Two or more different atoms make a chemical compound.
What are Six example of a chemical changes?
I know that rusting, burning are some. Its when you change the actual chemical makeup of the substance turning it into something having a new "chemical make up".
What Process changes matter into one or more new substances?
A chemical reaction is a process in which new substances are formed.
Which of the folowing is a chemical change A. you melt butter B.you make cookies C.you make a pitcher of orange juice from concentrate D.you blow up a balloon?
Making cookies would constitute a chemical change.
Is heating up sulfur a chemical change?
It is not a chemical change, unless you heat it sufficiently to make it catch fire.
What mineral makes up opal?
Opals are actually not minerals, but are classed as mineraloids. This is because they lack a crystalline structure, yet are mineral in nature.
What is the difference between an Australian opal and an Ethiopian opal?
An Ethiopian opal is an opal-CT, whereas an Australian opal is an opal-A. The Ethiopian opal is made up of leptospheres, instead of small amorphous silica spheres like the Australian opal.
How does a fire start?
when a flammable chemical such as oil (ancient tree) gets heated up to much it acts as a chemical reaction it catches on fire
How made opal ware?
Opals are a mined substance that can be found in fissures in rock. It is then processed, cleaned up and cut down to make different types of jewelry. This is how opal ware is made.
Do archae have similar chemical make up to bacteria?
Yes, archaea have similar chemical make up to bacteria.
What is the chemical make up of cysteine?
The chemical formula of cysteine is C3H7NO2S.
What chemical formula represents properties that make up an element?
The chemical symbol represent a chemical element.
Is a firefly emitting light chemical or physical change?
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!
What chemical and physical elements make up phosphate?
There are three different chemical and physical elements that make up phosphate. These elements are oxygen, potassium and sodium.
How can you tell when a chemical has reacted?
When there is a change in its chemical/physical properties. A chemical reaction involves the changing of the object's chemical make up.
Is ice melting a chemical or physical property?
Physical, chemical is one that affects the chemical make up of the substance.
