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Is Matter Around us Pure
Is Matter Around us Pure Matter can be broadly divided into two major groups, 'Pure' and 'Impure'. In chemistry, the term 'purity' acquires quite a different meaning from what we understand it to be in our day-to-day life. Normally, when we refer to pure water, pure milk, et..
Introduction
A solid is that form of matter that possesses rigidity and hence possesses a definite shape and a definite volume. There are two types of solid..
Introduction
Today the fact that all matter is made up of atoms is universally accepted. Realisation of the atomic constituents of matter began in 1828 when Scottish botanist Robert Brown observed a random ceaseless motion of pollen grains suspended in a liquid. Many macroscopic properties a..
Introduction
The term 'natural resources' refers to all the natural things on our earth. It includes everything, that is naturally available and that is not creatable by any human activity. It specifically excludes the materials created by ma..
Introduction
The t-ratios of acute angles are given in tables of natural sines, natural cosines and natural tangents. In this chapter, we will discuss (i) how to read trigonometric tables, (ii) how to find the angle when the value of a t-ratio is give..
Introduction
Matter undergoes certain changes as a result of the application of energy. Glaciers melt in summer and rivers freeze in winte..
Introduction
The term 'natural resources' refers to all the natural things on our earth. It includes everything, that is naturally available and that is not creatable by any human activity. It specifically excludes the materials created by man. Human being and his anthropological h..
Introduction
The story is set in an imaginary, small Indian village called Malgudi. The major character in the story is Thanappa, the village postman. Thanappa was much more than just a postman. He went out of his way to involve himself in the domestic matters of the people to whom he delivered ..
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It is a matter of common experience that precious stones like diamonds, rubies, etc. or glass pieces glitter when light, particularly white light is incident on it. In this chapter let us find out why white light incident on a transparent prism splits into different color..
Introduction
Very often, energy is generated at one place but consumed elsewhere. The transportation of energy from its source to the receiving end can be done in two ways: By actually moving the matter carrying kinetic energy and delivering it to the other en..
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