Is Matter around Us Pure?

IMPORTANT

Science Solutions from Chapter -1 - Is Matter around Us Pure?

This chapter describes the pure substances which consist of a single particle. Milk, proteins, fats, etc., are not pure substances as they are made of more than one particle.

Practice Other Topics from Is Matter around Us Pure?

In this topic, the readers will learn about mixtures, their types and properties. It briefly discusses about the components that forms a mixture. A technique called filtration is explained with the help of a diagram.

This topic deals with solution, its components, types and characteristic properties. It defines solvent and solute. It discusses the concentration of a solution and includes formulas. It also highlights on suspensions and colloidal solutions.

In this topic, we will learn the physical combination of two or more substances in which the identities are retained and are mixed in the form of suspensions and colloids. With the aid of an activity, it explains the suspensions and colloids.

Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture

In this topic, we will study separation methods of two components in a matter. It highlights evaporation, filtration, and separation of immiscible liquids using separating funnels, sublimation, chromatography, distillation, and fractional distillation.

Science>Chemistry>Is Matter around Us Pure?>Physical and Chemical Changes

This topic explains the difference between physical and chemical changes of a matter. Chemical characteristics of oil and water are described here. An example of burning is also illustrated to explain the concept.

This topic deals with the two types of pure substances including elements and compounds. It gives the properties of elements and compounds. It also deals with the properties of metals and non-metals with examples.

The topic introduces us to the compounds which are type of pure substances. We will also understand the difference between a mixture and a compound.