The fact that it can no longer be broken down.
An element is pure because of how it cannot be broken further down.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
Impurity means is a substance that is present in another substance making it of a low qulity. Means that the substance has some impure (Not pure) articles in it, if water has impurities in it then it has something in it that shouldn't be there it is tainted water.
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
Sodium (Na) is a pure substance, listed on the Periodic Table. Table salt however, is Sodium Chloride (NaCl), which is not a pure substance
A mixture can be defined as a material composed of two or more different substances that are not chemically combined. This makes nitrogen a pure substance.
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
If there is no salt or substance that makes it impure it is a pure mixture
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A physical property can be observed without changing the substance into something else.
A pure substance is constant in composition throughout, meaning it is made up of only one type of particle or element. This distinguishes it from a mixture, which contains two or more different substances that are physically combined.
Yes, purified water is a pure substance because it consists of only water molecules with impurities removed through processes like distillation or filtration. This makes it a homogeneous mixture with a consistent composition.
An element
Only a single component makes up aluminum foil, which is the aluminum element. Hence, aluminum foil is considered as a pure substance.
It makes a mixture.