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Study of the First Element - Hydrogen

This chapter covers topics like position of hydrogen in the periodic table, properties of hydrogen, preparation of hydrogen, tests and uses of hydrogen, as well as oxidation and reduction.

The topic discusses the position of hydrogen in the periodic table. It covers the electronic configuration, properties, nature of hydrogen, and its presence in the atmosphere, earth’s crust and the oceans.

Position of Hydrogen in the Periodic Table

This topic discusses the preparation of hydrogen. It includes different methods to prepare hydrogen. It explains preparation of hydrogen from steam, carbon or hydrocarbon, and by electrolysis.

Preparation of Hydrogen

This topic explains the properties of hydrogen. It details the atomic mass, atomic number, electronegativity, density, melting point, boiling point, ionic radius and isotopes of hydrogen. Hydrogen was discovered by Henry Cavendish.

Properties of Hydrogen

This topic discusses tests and uses of hydrogen. It explains how hydrogen is used as a fuel in the form of coal and water gas. It also includes various chemical reactions.

Tests and Uses of Hydrogen

The topic explains the process of oxidation and reduction with the aid of examples. It gives details of the oxidising agent. We will also learn about the reducing agents and the metals and compounds as their examples.

Oxidation and Reduction

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Hydrogen and Its Properties

Uses of Hydrogen

Physical Properties of Dihydrogen

Laboratory Preparation of Dihydrogen

Oxidation Number and Its Calculations

Reactivity of Metals With Hydrochloric Acid

Classical Concept of Oxidation and Reduction

This chapter covers topics like identification of gases, action of heat on given substances, action of dilute sulphuric acid to given substance, flame test, experiment based on hard and soft water, and water pollution.

Practical Chemistry

In this chapter, we will learn about acid rain, global warming and their causes and prevention. It explains the causes and effects of depletion of the ozone layer. We will also learn about the origin and health impact of some major pollutants.

Atmospheric Pollution

This chapter sheds light on the kinetic molecular theory of gases and their measurable properties. Various gas laws are also discussed here through diagrams and examples. It also briefs on ideal gas and absolute zero.

Study of Gas Laws

This chapter explores Mendeleev’s periodic table and its limitations. It describes atomic number as the basis for modern periodic law. We will learn about the trends in the modern periodic table. It also discusses the study of some specific groups.

The Periodic Table

In this chapter, we will learn about atoms and its structure. It briefs on various atomic models and their limitations. It discusses the distribution of electrons in different orbits. We will also learn about different atomic species.

Atomic Structure and Chemical Bonding

In this chapter, we will learn about the importance of water for humans, plants, and animals. We will study the uses of water for a variety of purposes. We will also understand the need for saving water.

Water

This chapter discusses the conditions necessary for chemical changes and types of chemical changes. We will also learn in detail the classification of chemical reactions on the basis of energy changes.

Chemical Changes and Reactions

This chapter discusses the significance of chemical symbols and express the chemical formula for compounds. We will learn how to write a chemical equation and balance it. It also explains how to calculate the percentage composition of an element.

The Language of Chemistry

Taxonomical Features of Pisces

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Study of the First Element - Hydrogen

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