NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations

NCERT (National Council of Educational Research and Training) Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations, chapter is part of the NCERT Science textbook for Class 10, which is commonly used in schools following the CBSE (Central Board of Secondary Education) curriculum in Bharat.

These solutions are a valuable resource for students to prepare for their Class 10 Science examinations and build a strong foundation in chemistry. They are typically available in the form of textbooks, online resources, or study guides provided by NCERT or various educational platforms. In this chapter, students learn about chemical reactions and equations, including topics like chemical reactions and their characteristics. Chemical equations and their balancing. Corrosion as a chemical reaction.

Class 10 Science varies by curriculum and education board, but in many common syllabus, Chapter 1 of the Science textbook often covers the following topics:

Chemical Reactions and Equations
Introduction to chemical reactions. Characteristics of chemical reactions (e.g., change in color, formation of a gas, change in temperature). Chemical equations and their significance. Balancing chemical equations. Types of chemical reactions (e.g., combination, decomposition, displacement, double displacement).

Chemical Equations and Balanced Chemical Equations
Explanation of chemical equations and their components. Methods to balance chemical equations. Law of conservation of mass.

Types of Chemical Reactions
Explanation and examples of different types of chemical reactions, including: Combination reactions. Decomposition reactions. Displacement reactions (single and double displacement).

Chemical Reactions and Chemical Equations in Everyday Life
Examples of chemical reactions in everyday life. Balancing chemical equations for common reactions. Chemical reactions involved in the preparation of various substances.

Effects of Chemical Reactions
Discussion of the effects and applications of chemical reactions in daily life and industry. Use of chemical reactions in cooking, digestion, and respiration. Download NCERT Solutions as well as NCERT Solutions Apps 2025-26 based on latest NCERT Books which works without internet.

Oxidation and Reduction
Introduction to oxidation and reduction. Redox reactions and their importance. Examples of redox reactions.

Corrosion
Explanation of corrosion. Factors affecting the rate of corrosion. Methods to prevent corrosion. These are the topics covered in NCERT Class 10 Science Chapter 1.

Here are some tips on how a student can prepare Class 10 Science Chapter 1 (Chemical Reactions and Equations) in the best way. Read the NCERT textbook carefully and understand the concepts. Chapter 1 is a relatively short chapter, but it is important to have a good understanding of the basic concepts, such as what a chemical reaction is, how to identify chemical reactions, and how to write and balance chemical equations.

Solve the in-text questions and exercises in the NCERT textbook. This will help you to test your understanding of the concepts and to practice writing and balancing chemical equations.

Use other resources, such as online tutorials, videos, and practice questions. There are many resources available online that can help you to learn the concepts and to practice for your exams.

Discuss the concepts with your classmates or teacher. This is a great way to clarify any doubts and to learn from others. Here are some additional tips.

Pay attention to the key terms and definitions. It is important to be able to define and explain the key terms in the chapter, such as chemical reaction, reactant, product, physical change, chemical change, and element.

Understand the different types of chemical reactions. There are five main types of chemical reactions: combination, decomposition, single replacement, double replacement, and combustion. Be able to identify each type of reaction and to write balanced chemical equations for each type.

Learn how to balance chemical equations. There are many different methods for balancing equations, so find one that works best for you and practice it.

Apply the concepts you have learned to solve problems. Once you have a good understanding of the concepts, try to apply them to solve problems. You can find practice problems in your textbook, online, and in other resources. By following these tips, students can prepare well for NCERT Class 10 Science Chapter 1 and score good marks in their exams.

NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises and intext questions in English and Hindi Medium updated for new academic session to use online or download in PDF free. All the solutions are updated for UP Board, CBSE Board, MP Board, etc., who are use NCERT Books as course books and following the latest CBSE Curriculum. Download Class 10 all Subjects Solution App free.

Tiwari Academy is an educational platform that provides resources and support for students preparing for various academic exams, including NCERT (National Council of Educational Research and Training) 10th Science Chapter 1. Here’s how Tiwari Academy can help students in their preparation. Tiwari Academy offers detailed and well-explained NCERT solutions for Class 10 Science Chapter 1 and other chapters. These solutions can help students understand the concepts thoroughly and solve questions from the NCERT textbook.

Video Lectures: They provide video lectures and tutorials covering the topics in 10th Science Chapter 1. Video lectures can be a helpful visual aid for students to grasp complex concepts and understand practical experiments and demonstrations.

Tiwari Academy often offers a wide range of practice questions and exercises related to Class 10 Science Chapter 1. These questions can help students test their knowledge and improve their problem-solving skills.

Sample Papers and Previous Year Question Papers: They provide sample papers and previous year’s question papers for Class 10 Science. Practicing these papers can help students get a feel for the exam pattern and become familiar with the types of questions asked in the board exams.

Notes and Study Material: Tiwari Academy provide concise and well-organized notes and study material related to Chapter 1 of 10th Science. These notes can be valuable for quick revision and reference.

Tiwari Academy have a mechanism for students to ask questions and clarify doubts related to Chapter 1 of 10th Science. This can be especially helpful for students who are struggling with certain concepts.

Interactive Learning: Tiwari Academy platform offers interactive learning features such as forums, discussion boards, or chat support where students can interact with teachers and peers, fostering a collaborative learning environment.

Additional Resources: They provide additional resources such as animations, diagrams, and illustrations to enhance the understanding of complex topics in 10th Science Chapter 1.
It’s important for students to explore these resources and choose the ones that align with their learning style and needs. Additionally, students should complement these online resources with their school textbooks and regular study routines to achieve the best results in their Class 10 Science exam.

From an examination point of view, NCERT Class 10 Science Chapter 1, which typically covers the topic of Chemical Reactions and Equations, holds significant importance. Here’s why this chapter is important for students preparing for Class 10 Science examinations.

Foundation of Chemistry
Chapter 1 serves as the foundational chapter for the chemistry portion of the Class 10 Science syllabus. It introduces students to the fundamental concepts of chemical reactions, equations, and types of reactions.

Weightage in Exams
Questions from Chapter 1 are likely to appear in the board examinations. Understanding the content of this chapter is essential to answer questions related to chemical reactions, balancing equations, and types of reactions correctly.

Conceptual Understanding
This chapter lays the groundwork for understanding more advanced topics in chemistry in higher classes. Concepts like balancing chemical equations and identifying types of chemical reactions are essential for building a strong foundation in chemistry.

Application-Based Questions
The concepts covered in 10th Science Chapter 1 are often used to create application-based questions in the board exams. Students may be asked to apply their knowledge of chemical reactions to real-life scenarios.

Numerical Problems
The chapter includes numerical problems related to balancing chemical equations. These problems help students develop problem-solving skills and are commonly included in the exams.

Redox Reactions
Class 10 Science Chapter 1 also introduces the concept of redox reactions (oxidation and reduction), which is a fundamental concept in chemistry. Understanding redox reactions is crucial for higher-level chemistry studies.

Question 1:
What is meant by a skeletal chemical equation? Using suitable chemical reaction, differentiate between a skeletal chemical equation and a balanced chemical equation.
Answer 1:
If the number of atoms of any element in a chemical equation is not equal on both sides, then it is a skeletal equation. For example:

Here, the number of chlorine and hydrogen atoms are not equal on both sides.
In a Balance equation, the numbers of atoms of different elements on both sides of a chemical equation are equal. For example:

Question 2:
Explain the following terms with examples in each case:
(i) Oxidation and (ii) Reduction.
Answer 2:
(i) Oxidation: it us a process (a) in which oxygen or any electronegative element is added up or (b) hydrogen or any electropositive element is removed. Examples are:
(a)Sulphur burns in the air with a blue flame to form sulphur dioxide. Here oxygen is added up to sulphur.

(b) Hydrogen sulphide combines with iodine to give hydrogen iodine and sulphur.

(ii) Reduction: It is a process in which (a) Hydrogen or an electropositive element is added up.

(b) Oxygen or electronegative element is removed.

Examples are:
(a)Hydrogen reacts with chlorine to form hydrogen chloride.

(b)Copper oxide is reduce with hydrogen.

The chapter 1 of 10th Science include descriptions of simple experiments related to chemical reactions. Questions about experimental procedures and observations are often asked in exams to test students’ practical knowledge.

Since 10th Science Chapter 1 deals with fundamental concepts and equations, it offers good scoring potential. If students thoroughly understand the content and practice solving problems, they can score well in this chapter.

Concepts introduced in Class X Science chapter 1, such as balancing equations and identifying types of reactions, are applied in subsequent chapters of the Class 10 Science syllabus. A strong grasp of Chapter 1 is essential for success in these chapters as well.

In summary, NCERT Class 10 Science Chapter 1 is important not only for the foundational knowledge it provides but also because it sets the stage for understanding more complex chemistry concepts in higher classes. Students should give due attention to this chapter in their exam preparation to perform well in their Class 10 Science board exams.

Answer::
During digestion, food is broken down into simpler substances. Food like rice, potato and bread are made up of carbohydrates. These carbohydrates are further broken down into glucose. Glucose during respiration (inhalation of oxygen) is oxidised with the liberation of energy as shown below. Thus, respiration is an exothermic process.