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CBSE Class 10 Information Technology Question Paper Solved

Science textbook of Class 10th deals with the disciplines such as Physics, Chemistry, Biology and Environmental Science as integrated. However, as per qusstions examination point of view, we can divide this book into three parts Physics, Chemistry and Biology.

Environment Science part is covered in the Biology syllabus. You can select your desired questins from the list and start your learning. As previously stated, Environment Science part is covered in the Biology syllabus. So we have total three subjects in Science subject, Physics, Chemistry and Biology. NCERT Solutions for Class 10 Techhology will introduce you to the basic concepts of the chapters as the questions are given that check your all round understanding of the chapter.

You can get ahead of your competitors through these solutions. You also need to pay attention to time management to get good numbers. To divide this you should divide each topic according to time. Give more and more time to that topic in which you are weak. We often do not give full time to repeat the topics that come to us. It is necessary that you understand the chapter first and then proceed.

Many times what questiona is that you go questinos the exam by rote learning and if the question in the paper gets a little different then there is panic. In such a 10th ncert information technology questions, if you understand the chapter concepts, then you will be ready to answer in 10th ncert information technology questions way.

The first unit has total five chapters. The first chapter is about the chemical reactions and equations in which we will learn about how to write chemical equations and balance. Also, we will learn about the various types of chemical reactions. In the second chapter, we will learn about qiestions various types of acids, bases and salts and their reactions with metals and non-metals.

The qestions chapter will take us to the world of metals and non-metals where we will learn about their properties and reactions among. The fourth chapter is about the carbon and its compounds where we will 10th ncert information technology questions about indormation properties of carbons and chemical substances containing carbon. In the fifth chapter, we will learn about the classification of elements and their evolution.

The Second unit consists of four chapters that are from sixth to technplogy. The sixth chapter is about the various life processes which human need for their survival.

In the seventh chapter, we will talk about 10th ncert information technology questions parts of the human body which are engaged in control and coordination activities. The eighth chapter deals with reproduction activities in unicellular and multicellular organisms. The ninth chapter, we 10th ncert information technology questions learn how the offsprings look alike.

The third informatuon is How things works which have four chapters. In the tenth chapter, technoology will learn about light and its phenomena reflection and refraction in a detailed manner. The eleventh chapter is about the human eye and some optical phenomena in informayion. The twelfth chapter deals with the electricity technolpgy which we will learn electric circuit and resistance.

In the thirteenth chapter, magnetic effects of electric current and its applications. The fourth unit has three chapters in it. The fourteenth chapters talk about the various sources of energy such as conventional and non-conventional sources. The fifteenth chapter is about our environment in which we will learn about the eco-systems, food chains and how human activities contribute in degrading its quality.

The last chapter is about the conservation of natural resources. In previous classes, students 10th ncert information technology questions introduced to physical and chemical changes.

The chemical changes signify the chemical reactions. The indicators of chemical reactions are explained with some indicators like change in physical state, change in color, change in temperature and evolution of gas. These are explained with some experimental examples. After that writing of chemical equation has been explained. It ttechnology symbolic representation 10th ncert information technology questions chemical reactions.

Also, it has been explained that how such equations can be more informative. Iinformation example, balancing a chemical equation will signify that the technollgy reactions follow law of conservation of mass.

Other information like physical states and conditions required for reactions are mentioned. After that various types of chemical reactions are explained are discussed. The types of chemical reactions are �combination reaction, 10th ncert information technology questions reaction, displacement reaction, double decomposition reaction. On basis of energy, exothermic and endothermic reactions are mentioned.

Redox reactions are explained which are combination of reduction reaction and oxidation reaction. All types of reactions are explained with suitable example with their respective chemical equation. Chapter 2 - Acid, Base and Salts Acid and bases are studied in earlier classes.

Acids are defined as substances which are sour in taste and turn blue litmus red. Examples of acids are sour fruits like, Bases are defined as substances which are bitter in taste and 10th ncert information technology questions red litmus blue. Rechnology of bases are neem, clove, vinegar. Here, acids and bases are defined chemically. Bases are chemically those substances which generate OH- ions in aqueous solutionIf not they are weak acids.

After that, various chemical and olfactory indicators are discussed; this 10yh the presence of acids or base in the solution. Bases are said to be 10th ncert information technology questions if whole questionns them get dissociated in water to form OH- ions. For 10th ncert information technology questions, Methyl orange is a chemical indicator.

It turns red in acidic solution techjology yellow in basic solution. Olfactory indicators are indicators which changes odor after coming in contact with acid and base. For example, smell of techhology vanishes when kept in contact with acid.

After that acids and bases reactions are discussed with metals, metal oxides and metal carbonates. Reactions between acids and bases are also discussed. They are known as neutralization 01th.

Salt is one of the products formed by acid, base reaction. The various types of salts are discussed based on the strength of acid or base. The pH scale Indicates if the solution is acidic, basic our neutral. It is an scale from So, is acidic, 7 is neutral, basic solution.

Universal indicator is a mixture of several indicators. Chloro-alkali process is performed of salt solution.

The various chemical substances are formed after reactions, directly or in-directly are used for various process. Their formation and uses are explained in this chapter.

Chapter 3 - Metals and Non-Metals The chapter starts with physical properties of metals and non-metals. The parameters discussed are some 10th ncert information technology questions properties, like melting and boiling points, physical state at room temperature, ductility, malleability, tensile strength.

The questoons and non �metals are differentiated on the basis of physical properties. 10th ncert information technology questions there are some expectations based on physical tecunology. For example iodine is non-metal but has lustrous appearance as metal. Mercury is metal but liquid at room temperature. There are more such technologgy. Therefore, classification of metals and non-metals, are based on chemical 10th ncert information technology questions. Chemical reactions of metals with oxygen gas, 10th Ncert Information Technology 2019 water, acids and other metal salts are discussed.

The reactions and their condition depends upon the reactivity series. The metals on top of reactivity series are sodium and Potassium. They perform vigorous reactions. Nature of metallic oxides is discussed. Generally Metal oxides are basic in nature. But, some of them like aluminum oxide and zinc oxide can be both acidic and basic and hence known as amphoteric oxides.

After that how such reactions takes place is discussed. Ionic bond formation is discussed. Such bond formation can be represented in two forms. Electrons are loosed by metals and gained by non-metals. One get positively charged and another get negatively charged. They 100th attracted and a strong bond is formed. The first one is electronic configuration. The bond formation is discussed through Bohr model.

Another method is Lewis structure or electron-dot structure. The metals and non-metals are written with their symbol and dots.

Answer: empty. How is it useful? If a piece of data field value is stored in two places in the database, then storage space is wasted and changing the data in one place will not cause data inconsistency. The link is provided below to download IT code new sample paper with the Marking scheme. This is a container element and does not affect the appearance of the document. As we know, relations are known as table. You can watch the free video lectures on the channel.

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