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Important Questions and Answers for Class 8 Science Chapter 8 Nature Of Matter Elements Compounds And Mixtures 2025-26

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Nature of Matter Elements Compounds and Mixtures Class 8 Questions and Answers for CBSE Exam Practice

Explore Important Questions Class 8 Science Chapter 8 Nature Of Matter Elements Compounds And Mixtures right here. These nature of matter: elements, compounds, and mixtures class 8 questions and answers will help you focus on exam topics, understand concepts, and prepare easily for your school assessments. You’ll find all key areas explained simply for Class 8 Science, Chapter 8.


This chapter explains elements, compounds, and mixtures with clear examples, definitions, and scientific reasons. If you want clear class 8 science chapter 8 nature of matter: elements, compounds, and mixtures notes or worksheets, these questions support you step by step. Each question follows CBSE patterns and is based on the latest syllabus.


All answers follow important marking points and easy language. Practice using Vedantu’s Important Questions with Answers to build confidence for exams. You can also download the Important Questions PDF for free and revise anytime offline.


Nature of Matter Elements Compounds and Mixtures Class 8 Questions and Answers for CBSE Exam Practice

1. Multiple choice questions.


1. Which of the following statements is true regarding a compound?


  • (a) Components can be separated by physical means
  • (b) Components retain their original properties
  • (c) Components are combined in any proportion
  • (d) Components are combined in a fixed ratio by mass

Answer: (d) Components are combined in a fixed ratio by mass.


2. Which of the following is a uniform mixture?


  • (a) Sprout salad
  • (b) Air
  • (c) Sand and iron filings
  • (d) Mixture of oil and water

Answer: (b) Air.


3. A mixture in which different components can be seen with the naked eye is called:


  • (a) Uniform mixture
  • (b) Compound
  • (c) Non-uniform mixture
  • (d) Pure substance

Answer: (c) Non-uniform mixture.


4. Which of these is a method to show that carbon dioxide is present in air?


  • (a) Heating a mixture of sand and iron
  • (b) Passing air through lime water
  • (c) Dissolving sugar in water
  • (d) Freezing water

Answer: (b) Passing air through lime water.


2. Very Short Answer (VSA).


1. What is a mixture?


Answer: A mixture is formed when two or more substances are combined such that each substance retains its individual properties and does not react chemically.


2. Define an element.


Answer: An element is a pure substance made up of only one kind of atom, which cannot be broken down into simpler substances by chemical means.


3. Write one example of a non-uniform mixture.


Answer: Sprout salad is a non-uniform mixture, as its different components like onion, tomato, and chickpeas can be seen separately.


4. What turns lime water milky?


Answer: Carbon dioxide gas turns lime water milky by reacting with calcium hydroxide to form insoluble calcium carbonate.


3. Short Answer Questions.


1. Explain the difference between a mixture and a compound using suitable examples.


Answer: In a mixture, like air or salad, the components retain their properties and can be separated by physical means. In a compound, like water, elements chemically combine in fixed ratios, resulting in new properties, and the components cannot be separated physically.


2. Why is air considered a uniform mixture? Name its main components.


Answer: Air is a uniform mixture because its gases, like nitrogen, oxygen, argon, and carbon dioxide, are evenly mixed and cannot be seen separately. The composition remains the same throughout, making it a uniform or homogeneous mixture.


3. Describe how a compound is formed from its elements, giving an example from daily life.


Answer: A compound forms when elements chemically react and combine in a fixed ratio. For example, hydrogen and oxygen combine chemically to form water, which has properties distinct from both hydrogen and oxygen.


4. How can you separate the components of a non-uniform mixture? Illustrate with an example.


Answer: Components of a non-uniform mixture like iron filings and sulfur powder can be separated by using a magnet that attracts iron filings, leaving sulfur behind, since physical properties remain unchanged in mixtures.


4. True or False Questions.


1. In a mixture, the components lose their individual properties.


Answer: False.


2. Stainless steel is an alloy, which is a uniform mixture of metals.


Answer: True.


3. Elements can be separated into simpler substances by physical methods.


Answer: False.


4. Compounds are formed only when two non-metals react.


Answer: False.


3. Fill in the Blanks Questions.


1. Stainless steel is a uniform mixture of __________, __________, and __________.


Answer: iron, nickel, chromium.


2. The gas which turns lime water milky is __________.


Answer: carbon dioxide.


3. The components of a mixture can be separated by __________ methods.


Answer: physical.


4. Table salt, chemically called __________, is formed from sodium and chlorine.


Answer: sodium chloride.


Why learning the Nature of Matter is essential for Class 8 students

Strengthen your understanding of class 8 science chapter 8 nature of matter: elements, compounds, and mixtures notes. This foundational topic helps students easily solve nature of matter: elements, compounds, and mixtures class 8 questions and answers, boosting science confidence for exams and future concepts.


Accessing a nature of matter: elements, compounds, and mixtures class 8 pdf or worksheet at Vedantu means you can revise, practice, and review at your own pace. Understand real-world applications from class 8 science chapter 8 nature of matter: elements, compounds, and mixtures notes.


With our resources, you can explore nature of matter: elements, compounds, and mixtures class 8 mcq and exercises. These help deepen your concepts and prepare you for any nature of matter: elements, compounds, and mixtures pdf or worksheet-based evaluations confidently.


FAQs on Important Questions and Answers for Class 8 Science Chapter 8 Nature Of Matter Elements Compounds And Mixtures 2025-26

1. What types of important questions are likely to appear from Class 8 Science Chapter 8: Nature of Matter – Elements, Compounds, and Mixtures?

For this chapter, you should expect a mix of MCQs, very short, short, long answer, and case-based questions. Topics like definitions, differences, and real-life examples are often asked. Practice both concept-based and application-based questions for strong exam preparation.

2. How should I write full-mark answers for "nature of matter: elements, compounds, and mixtures" important questions?

To score full marks, always include clear definitions, key differences, and examples. Use proper headings, underline value keywords, and if possible, add a neat, labelled diagram. Stick to the word limit and use points for clarity.

3. Are diagrams and tables necessary in answers for Class 8 Science Chapter 8 important questions?

Diagrams and tables are useful, especially when comparing elements, compounds, and mixtures. They help you earn step marks in exams and make your answers more attractive and clear. Add them wherever a question or answer naturally fits.

4. How do I prepare for case-based or assertion-reason type questions from this chapter?

Read the passage or statement carefully. Identify the core concept—like the difference between compounds and mixtures.

  • Underline clues in the question.
  • Apply your understanding of definitions and properties.
  • Answer in short, direct sentences.
Practice with a worksheet or mock exercises for best results.

5. Which subtopics in this chapter have the highest weightage for important questions?

Focus on definitions and differences among elements, compounds, and mixtures. Other high-weightage areas include examples, separation of mixtures methods, and MCQ-based properties. Most exams pick questions from these subtopics, so revise them well.

6. Where can I find PDF downloads of important questions with answers for Class 8 Science Chapter 8?

You can get a free PDF download of important questions with answers for this chapter from reliable educational platforms. Look for resources labelled as CBSE/NCERT-aligned for 2025–26. These PDFs help in quick revision and offline practice.

7. What should I avoid to prevent mistakes in exam answers from the “nature of matter: elements, compounds, and mixtures” chapter?

Avoid missing key differences, mixing examples, or leaving diagrams unlabelled. Always stick to the point, write stepwise, and revise terms before your test.

  • Check spellings of science terms
  • Underline all important value points