Seawater is a mixture. It is a combination of salt and water that is a homogeneous mixture. An example of a pure substance is either pure salt or pure sugar.
Seawater is a solution of a lot of different substances dissolved in water. Therefore, it is a mixture.
Soduim is a pure substance. But it is a mixture because it was pshsically combined. Soduim is a pure substance. But it is a mixture because it was pshsically combined.
Neither. C2H2 is a compound (pure substance) so it is not a mixture at all. Hint: mixtures don't have chemical formulas.
substance
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
Tea is a mixture.
A solution.
Pure quartz sand and salt is are pure substances (single chemical compounds), Seawater is a mixture of substances.
Rock salt contains all the minerals found in the seawater from which it formed. These will be many, but NaCl will be the main one.
It is a mixture
Salt water is a homogeneous mixture called a solution containing salt and water. Salt is the solute and water is the solvent. It is a mixture because the salt and water are not chemically combined and are not present in definite proportions.
sds
pure substance?
Pure substance.
No, it is a mixture; rarely a drug is a pure substance.
No a mixture is by definition not a pure substance.
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
pure substance