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What are the indications that the desired substance had been extracted?
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The waste material left after a mineral has been extracted is called?
tailings
What is symbol of the element found in pitchblende after uranium has been extracted and it starts with a?
This element is actinium (Ac).
What is the symbol of the element found in pitchblende after uranium has been extracted?
You think probably to radium (Ra) and polonium (Po).
What is in a solution is the substance in which the solute disolves?
The solute is the substance that has been dissolved in the solvent. I.e. if salt is dissolved in water, the salt is the solute.
A substance made of two or more elements that have been chemically joined?
It is a Compound.
Is gold being or has gold been extracted from seawater?
Gold has been extracted from seawater, but the cost is not worth the effort for the very small amount that can be obtained.
The waste material left after a mineral has been extracted is called?
tailings
Symbol of the element found in pitchblende after uranium has been extracted?
Radium (Ra)
How is cobaltite extracted?
Cobalite is cobalt that has been extracted from copper and nickel. The mixture is often heated and treated using flash smelting techniques, and often, the mixture is boiled to get it to separate.
When oxygen is added to a substance you say that it is?
When oxygen reacts with a substance we say the substance has been oxydized.
What is symbol of the element found in pitchblende after uranium has been extracted and it starts with a?
This element is actinium (Ac).
What happens to iron once it had been extracted and purified?
it gets turned into our everyday life utesils
Can be use water as a alternate fuel?
No. All the chemical energy has already been extracted from water.
What are Quarry's?
A place, typically a large, deep pit, from which stone or other materials are or have been extracted.
Why is coal a compound?
It isn't - it is a mixture of compounds. There are 100s of chemical compounds that have been extracted from coal. It is a mixture of these
What is an Oil field?
An area below which there is a geological structure in which oil has been trapped and accumulated and from which it can be extracted by man.
What is a substance that have been made of of two or more elements that have been chemical joined?
A substance made of two or more elements that have been chemically joined is called a compound.
