The foremost property of a set is that it can have elements, also called members. Two sets are equal when they have the same elements. More precisely, sets A and B are equal if every element of A is a member of B, and every element of B is an element of A; this property is called the extensionality of sets.
Mixtures
In chemistry, a mixture is a material made up of two or more different chemical substance/substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.
Appearance
The act of appearing or coming into sight; the act of becoming visible to the eye; as, his sudden appearance surprised me. 2. A thing seed; a phenomenon; a phase; an apparition; as, an appearance in the sky
Melting point
The melting point of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure such as 1 atmosphere or 100 kPa
Answers & Comments
Set of Properties
Mixtures
Appearance
Melting point
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PA BRAINLIEST