Differences between compounds & mixtures

Differences between compounds & mixtures

PROPERTY	COMPOUNDS	MIXTURES
1. combination of constituents	constituents are combined together chemically	constituents are combined together not chemically but physically only
2. ratio of constituents	same constituents are present in a fixed ratio	constituents can be present in any ratio
3. separation of constituents	constituent can be separated only by chemical methods	constituents can be separated by physical methods
4. properties	have properties different from those of their constituents	properties are those of their constituents
5. energy changes	often energy is absorbed or released during the formation of compounds	often no energy is absorbed or released when a mixture is formed