Pure anything is very expensive, because it costs a lot to purify something.
Sigma-Aldrich sells 100g of 99% pure calcium for about $65. This is pure enough for most purposes. If you really need it to be as pure as possible, you can go to four nines for about $2860 for 100g.
What is the boiling point for calcium?
the calcuim diposits into them
calcuim
Calcium carbonate easily react with acids.
There is no (zero) salt at all in pure water, that's why it is 'pure' (meaning 'nothing else')
Calcium is an element and therefore a pure substance.
1,000 mg for adults / 1,300 mg for kids.
It gives the product as calcuim-sulphate.
no its not
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Yes
Yes
Yes.
Calcium is not ductile.
No .
No. Calcium is a mineral.
mineral