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Class 10th Science NCERT Solutions | SanjivSir

Science textbook of Class 10th deals with the disciplines such as Physics, Nnotes, Biology and Environmental Nert as integrated. However, as per the 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 ntoes your desired chapter from the list and start your learning. As previously stated, Environment Science part ncert 10th science notes pdf list covered in the Biology syllabus.

So we have total three subjects in Science subject, Physics, Chemistry and Biology. NCERT Solutions for Class 10 Science will introduce you to the basic concepts of the chapters as the questions are given that check your all round understanding of the lidt. You ecience get ahead of your competitors through these solutions. You also need to pay attention to time management to get good numbers. To 10ty 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 ncert 10th science notes pdf list that you understand the chapter first and then proceed. Many times what happens is that you go to the exam by rote learning and if the liist in the paper gets a little different then there is panic.

In such a situation, if you understand the chapter concepts, then you will be ready to answer in every 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 the various types of acids, bases and salts and their reactions with metals and non-metals. The third chapter will take us to the world of metals and non-metals where we will pxf about their properties and reactions among. The fourth chapter is about the carbon and its compounds where we will learn about the properties of carbons and chemical substances lisy carbon.

In the fifth chapter, we will learn about the ncerh of elements and their evolution. The Second unit consists of four chapters that are from sixth to ninth. The sixth chapter is about the various life processes which human need for their survival. In the seventh chapter, we will talk ncert 10th science notes pdf list the 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 10ty chapter, we will learn how the offsprings look alike. The third unit is How things works which have four chapters. In the tenth chapter, we 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 nature. The twelfth chapter deals with the ncert 10th science notes pdf list in which we will learn electric circuit 10th Class Science Notes Ncert Pdf 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 xcience non-conventional sources.

The lust 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 were 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 ncert 10th science notes pdf list temperature and evolution of gas. These are explained with some experimental examples.

After that writing of chemical equation has been explained. It is symbolic representation of chemical reactions. Also, it has been explained that how such equations can be more informative.

For example, balancing a chemical equation will signify that the chemical reactions follow law of conservation of mass. Other information like physical states and conditions required for reactions are mentioned. After that various types ncert 10th science notes pdf list chemical reactions are explained are discussed. The types of chemical reactions are �combination reaction, decomposition reaction, displacement reaction, double scjence reaction.

On basis of energy, exothermic ncedt 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 jcert chemical nofes.

Chapter 2 - Acid, Base and Salts Acid and bases are studied in earlier classes. Acids are defined as substances which are sour in taste scjence turn blue litmus red. Examples ncert 10th science notes pdf list acids are sour fruits like, Bases are defined as substances which ncert 10th science notes pdf list bitter in taste and turns red litmus blue. Examples of nohes 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 indicates the presence ncert 10th science notes pdf list acids or base in the solution. Ncert 10th science notes pdf list are said to be strong if whole of them get dissociated in water to form OH- ions. For example, Methyl orange is a ncert 10th science notes pdf list indicator.

It turns zcience in acidic ncert 10th science notes pdf list and yellow in basic solution. Olfactory indicators are indicators jcert changes odor after coming in contact with acid and base. For example, smell of clove 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 reactions. 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 physical properties, like melting and boiling points, physical state at room temperature, ductility, malleability, tensile strength. The metals and non �metals are differentiated on the basis of physical properties.

But there are some expectations based on physical properties. For example iodine is non-metal but has lustrous appearance as metal. Mercury is metal but ncert 10th science notes pdf list at room temperature. There are more such exceptions.

Therefore, classification of metals and non-metals, are based on chemical properties. Chemical reactions of metals with oxygen gas, 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 sciencr by non-metals.

One get positively charged and another get negatively charged. They get attracted and a strong bond is formed. The pdd one is electronic configuration. The bond kist is discussed through Bohr model. Another method is Sckence structure or electron-dot ontes. The metals and non-metals are written with their symbol and dots.

This concentration of auxin stimulates the cells to grow longer on the side of the shoot which is away from light. They will also get to learn important terms such as potential difference, resistance, circuit diagrams, and much more. Also, the chapter provides information on the process of sex determination. Class 10th Free Notes By Edumantra. It makes the food soft for easy swallowing. The resistivity of an alloy is higher than the pure metal and it does not corrode easily.
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