Differents between compond and mixture
Answers
★ Compound
☞ Compound are substances which can be formed by chemically combining two or more elements.
☞ Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.
☞ Compounds fall under pure substances.
☞ The chemical composition of compounds is always fixed.
☞ Compounds are always homogeneous in nature.
☞ The constituents of a compound can only be separated by either chemical or electrochemical methods(like extraction).
☞ The properties of compounds are unique to themselves and need not necessarily reflect the properties of the constituent elements.
☞ A new substance is formed after the constituents are chemically combined. So, a compound has different properties from its constituents.
☞ The melting & boiling points of a compound are always defined.
☞ For example Water, salt, baking soda, etc.
★ Mixture
☞ Mixtures are substances that are formed by physically mixing two or more substances.
☞ Mixtures are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.
☞ Mixtures can be categorized as impure substances.
☞ A mixture can have a variable composition of the substances forming it.
☞ Mixtures can either be homogeneous or heterogeneous in nature.
☞ Mixtures can be separated into their constituents via physical separation methods such as filtration. Thus, the separation of mixtures is relatively easier than the separation of chemical compounds.
☞ The constituents of a mixture do not lose their properties and so, the properties of a mixture are generally the sum of the properties of its constituents.
☞ No new substances are formed in mixtures and their properties are dependent on the properties of their respective constituents.
☞ The melting and boiling points of a mixture is not defined.
☞ For example Oil and water, sand and water, smog (smoke + fog), etc.