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Chalk is calcium carbonate - CaCO3.
Any chemical compound contain some impurities.
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∙ 11y ago
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Is chalk a mixture or pure substance?
It's a pure substance because even though the atoms are different they still the same. If that makes sense?
A pure substance is the what throughout?
A pure substance is the same throughout. When a substance is 100% something it is pure.
Why silicon is a pure substance?
silicon is a pure substance because it is an element and as we know an element is a pure substance
Why is air a pure substance?
Air is not a pure substance.
Is sulfur a pure substance?
pure substance
Is chalk a mixture or pure substance?
It's a pure substance because even though the atoms are different they still the same. If that makes sense?
Is chalk a substance or mixture?
It's a pure substance because even though the atoms are different they still the same. If that makes sense?
What is the chalk-like substance that gymnasts apply to their hands called?
The chalk-like substance is, in fact, chalk.
Why is a stick of chalk a pure substance but a stick of candy not?
cuz when my penis was in your GF's vag, she said she only felt one element:cum
How much calcium is in chalk?
Chalk is almost pure Calcium Carbonate. Chalk is a form of Calcium.
Is acetone a pure substance or mixture?
pure substance, propanone
Is a lemon a pure substance?
it is a pure substance.... not
Is a tin a pure substance?
Pure substance
What is chalk?
chalk is a very pure form of limestone made of calcite. i think >:P
Is Methane a mixture or a pure substance?
Methane is a pure substance.
A pure substance is the what throughout?
A pure substance is the same throughout. When a substance is 100% something it is pure.
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
