a substance mixture is caused when two chemicals (Diet Coke and mintos for a example) go together and cause a chemical reaction whuch forms c02 causing it to have a reaction
If there is no salt or substance that makes it impure it is a pure mixture
It makes a mixture.
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
Neither. Chloroform is a compound, which makes it a pure substance.
I think it's the same mechanical mixture.
No. Helium is an element, which makes it a pure substance.
An element - substance - NOT a mixture.
Neither, a cooper is someone that traditionally makes barrels.
a mixture is not a substance
a mixture is not a substance
No, it is a mixture; rarely a drug is a pure substance.
It's a pure substance because even though the atoms are different they still the same. If that makes sense?