Give two point of difference between mixture and compound.

Sure, here are two points of difference between a mixture and a compound:

1. Composition: A mixture is composed of two or more different substances that retain their own properties and can be separated by physical methods. On the other hand, a compound is formed when two or more elements chemically combine to form a new substance with different properties. The elements in a compound are present in a fixed ratio and can only be separated by chemical methods.

2. Properties: The properties of a mixture are the average of the properties of its components. For example, if you mix sand (solid) and water (liquid), you get a mixture that has properties of both sand and water. However, in a compound, the properties are entirely different from its constituent elements. For example, when hydrogen (a gas) combines with oxygen (another gas), it forms water (a liquid). The properties of water are completely different from hydrogen and oxygen.