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NCERT Solutions

Class 6

Science In Hindi

Chapter 4 Sorting Materials Into Groups

NCERT Solutions For Class 6 Science Chapter 4 Sorting Materials Into Groups in Hindi - 2025-26

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Step-by-Step Solutions For Class 6 Science Chapter 4 In Hindi - Free PDF Download

Download the Class 6 Science NCERT Solutions in Hindi medium and English medium as well offered by the leading e-learning platform Vedantu. If you are a student of Class 6, you have reached the right platform. The NCERT Solutions for Class 6 Science in Hindi provided by us are designed in a simple, straightforward language, which are easy to memorise.

You will also be able to download the PDF file for NCERT Solutions for Class 6 Science in English and Hindi from our website at absolutely free of cost. You can also download NCERT Solutions for Class 6 Maths to help you to revise complete syllabus and score more marks in your examinations.

NCERT, which stands for The National Council of Educational Research and Training, is responsible for designing and publishing textbooks for all the classes and subjects. NCERT textbooks covered all the topics and are applicable to the Central Board of Secondary Education (CBSE) and various state boards.

We, at Vedantu, offer free NCERT Solutions in English medium and Hindi medium for all the classes as well. Created by subject matter experts, these NCERT Solutions in Hindi are very helpful to the students of all classes.

Class:	NCERT Solutions For Class 6
Subject:	Class 6 Science in Hindi
Chapter Name:	Chapter 4 - Sorting Materials into Groups
Content Type:	Text, Videos, Images and PDF Format
Academic Year:	2025-26
Medium:	English and Hindi
Available Materials:	Chapter Wise
Other Materials	Important Questions Revision Notes

Access NCERT Solutions for Class 6 Science Chapter 4 - वस्तुओं के समूह बनाना

अभ्यास

1. लकड़ी से बनाई जा सकने वाली पांच वस्तुओं के नाम लिखिए।

उत्तर: मेज, पेंसिल, दरवाजा, कुर्सी, हल।

2. निम्नलिखित में से चमकदार पदार्थों का चयन कीजिए:

कांच की प्याली, प्लास्टिक का खिलौना, स्टील का चम्मच, सूती कमीज़।

उत्तर: कांच की प्याली और स्टील का चम्मच, चमकदार पदार्थ है क्योंकि यह धातु है और इनमें चमक होती है।

3. निम्नलिखित वस्तुओं का मिलान उन पदार्थों से कीजिए जिनसे उन्हें बनाया जा सकता है। याद रखिए कोई वस्तु एक से अधिक पदार्थों से भी मिलकर बनी हो सकती है तथा किसी दिए गए पदार्थ का उपयोग बहुत-सी वस्तुओं को बनाने में भी किया जा सकता है।

वस्तुएं	पदार्थ
पुस्तक	कांच
गिलास	लकड़ी
कुर्सी	कागज़
खिलौना	चमड़ा
जूते	प्लास्टिक

उत्तर:

वस्तुएं	पदार्थ
पुस्तक	कागज़
गिलास	कांच
कुर्सी	लकड़ी
खिलौना	प्लास्टिक
जूते	चमड़ा

4. नीचे दिए गए कथन सत्य हैं अथवा असत्य। इसका उल्लेख कीजिए:

(क) पत्थर पारदर्शी होता है जबकि कांच अपारदर्शी होता है।

उत्तर: असत्य, पत्थर अपारदर्शी होता है क्योंकि हम उसके आर-पार नहीं देख सकते जबकि कांच पारदर्शी होता है क्योंकि हम उसके आर-पार देख सकते हैं।

(ख) नोटबुक में दुति होती है जबकि रबड़ में नहीं होती।

उत्तर: असत्य, दुति दोनों वस्तुओं में से किसी में भी नहीं होती क्योंकि ये धातु से नहीं बने हैं।

(ग) चाक जल में विलीन हो जाता है।

उत्तर: असत्य, चाक जल में विलीन नहीं होता यह जल के निचली परत में जाकर बैठ जाता है। यह अविलेय वस्तु है।

(घ) लकड़ी का टुकड़ा जल पर तैरता है।

उत्तर: सत्य, लकड़ी जल में विलीन नहीं होती और जल की ऊपरी सतह पर अपनी जगह ले लेती है।

(ड) चीनी जल में विलीन नहीं होती।

उत्तर: असत्य, चीनी जल में विलेय हैं इसलिए जल में विलीन हो जाती है।

(च) तेल जल के साथ मिश्रणीय है।

उत्तर: असत्य, तेल जल के साथ मिश्रणीय नहीं है, यह जल के ऊपरी सतह पर अपनी परत बना लेता है।

(छ) बालू जल में निःसादित हो जाता है।

उत्तर: असत्य, बालू जल में विलीन नहीं होता, वह जल के निचली परत पर जाकर बैठ जाता है।

(ज) सिरका जल में विलीन हो जाता है।

उत्तर: सत्य, क्योंकि सिरका जल में विलेय होता है।

5. नीचे कुछ वस्तुओं तथा पदार्थों के नाम दिए गए हैं:

जल, बास्केटबॉल, संतरा, चीनी, ग्लोब, सेब तथा मिट्टी का घड़ा

इनको इस प्रकार, समूहित कीजिये:

(क) गोल आकृति तथा अन्य आकृतियां

उत्तर: गोल आकृति - बास्केटबॉल, संतरा, ग्लोब, मिट्टी का घड़ा।

अन्य आकृतियां - जल, चीनी, सेब।

(ख) खाद्य तथा अखाद्य

उत्तर: खाद्य - जल, संतरा, चीनी तथा सेब।

अखाद्य - बास्केटबॉल, ग्लोब तथा मिट्टी का घड़ा।

6. जल में तैरने वाली जिन वस्तुओं को आप जानते हैं उनकी सूची बनाइए। जांच कीजिए और देखिए की क्या तेल अथवा मिट्टी के तेल पर तैरती है।

उत्तर: जल में तैरने वाली वस्तुएं निम्न है:- सूखी पत्तियां, खाली बोतल, लकड़ी का तिनका, रूई, फूला हुआ गुब्बारा। यह सारी वस्तुएं तेल या मिट्टी के तेल पर भी तैरेंगी।

7. निम्नलिखित समूह में मेल न खाने वाले ज्ञात कीजिए:

(क) कुर्सी, पलंग, मेज, बच्चा, अलमारी।

उत्तर: बच्चा, क्योंकि बाकी सारी अजीवित वस्तुएं हैं।

(ख) गुलाब, चमेली, नाव, गेंदा, कमल।

उत्तर: नाव, क्योंकि बाकी सारे फूल हैं और नाव, बस यातायात के साधन के रूप में उपयोग किए जाते हैं।

(ग) एलुमिनियम, आयरन, तांबा, चांदी, रेत।

उत्तर: रेत, क्योंकि बाकी सारी धातु है और कीमती है।

(घ) चीनी, नमक, रेत, कॉपर सल्फेट।

उत्तर: रेत, बाकी सारे पदार्थ जल में विलेय हो जाते हैं पर रेत जल में विलीन नहीं होता हैं।

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups in Hindi

Chapter-wise NCERT Solutions are provided everywhere on the internet with an aim to help the students to gain a comprehensive understanding. Class 6 Science Chapter 4 solution Hindi mediums are created by our in-house experts keeping the understanding ability of all types of candidates in mind. NCERT textbooks and solutions are built to give a strong foundation to every concept. These NCERT Solutions for Class 6 Science Chapter 4 in Hindi ensure a smooth understanding of all the concepts including the advanced concepts covered in the textbook.

NCERT Solutions for Class 6 Science Chapter 4 in Hindi medium PDF download are easily available on our official website (vedantu.com). Upon visiting the website, you have to register on the website with your phone number and email address. Then you will be able to download all the study materials of your preference in a click. You can also download the Class 6 Science Sorting Materials into Groups solution Hindi medium from Vedantu app as well by following the similar procedures, but you have to download the app from Google play store before doing that.

NCERT Solutions in Hindi medium have been created keeping those students in mind who are studying in a Hindi medium school. These NCERT Solutions for Class 6 Science Sorting Materials into Groups in Hindi medium pdf download have innumerable benefits as these are created in simple and easy-to-understand language. The best feature of these solutions is a free download option. Students of Class 6 can download these solutions at any time as per their convenience for self-study purpose.

These solutions are nothing but a compilation of all the answers to the questions of the textbook exercises. The answers/ solutions are given in a stepwise format and very well researched by the subject matter experts who have relevant experience in this field. Relevant diagrams, graphs, illustrations are provided along with the answers wherever required. In nutshell, NCERT Solutions for Class 6 Science in Hindi come really handy in exam preparation and quick revision as well prior to the final examinations.

FAQs on NCERT Solutions For Class 6 Science Chapter 4 Sorting Materials Into Groups in Hindi - 2025-26

1. How do the NCERT Solutions for Class 6 Science Chapter 4 help in exam preparation for the 2025-26 session?

The NCERT Solutions for Class 6 Science Chapter 4 are designed to provide clear, step-by-step answers for all textbook questions. They help you understand the correct methodology for answering questions as per the CBSE pattern. By studying these solutions, you can grasp key concepts like the properties of materials and how to classify them, which is essential for scoring well in your exams.

2. What is the correct method, according to the NCERT Solutions, to test if a substance is soluble or insoluble in water?

The NCERT Solutions explain the method step-by-step. First, take a beaker or glass of water. Then, add a small amount of the material (like salt, sugar, sand, or chalk powder) to it and stir well. Observe if the material disappears completely in the water. If it does, it is soluble. If it settles at the bottom or remains visible, it is insoluble. This practical method helps solidify your understanding.

3. How do the solutions for Chapter 4 explain the difference between transparent, translucent, and opaque objects?

The solutions clearly define each term with examples to ensure full understanding. They explain that:

Transparent objects are those you can see through clearly, as they allow all light to pass (e.g., glass, clean water).
Translucent objects allow some light to pass, so you can see through them but not clearly (e.g., butter paper, frosted glass).
Opaque objects do not allow any light to pass through them at all (e.g., wood, metal, a book).

This classification is based on how materials interact with light.

4. Are all the in-text and exercise questions from the NCERT textbook covered in these solutions for Chapter 4?

Yes, the NCERT Solutions for Class 6 Science Chapter 4 provide comprehensive answers for every single question found within the chapter and in the end-of-chapter exercises. This ensures you have a reliable resource to verify your answers and understand the concepts thoroughly, leaving no part of the CBSE syllabus untouched.

5. Why is it important to learn the step-by-step method for grouping materials as shown in the NCERT Solutions?

Learning the step-by-step method is crucial because it builds a strong foundation in scientific observation and classification. This systematic approach, emphasised in the solutions, helps you not just memorise properties but understand the logic behind why objects are grouped together. For example, grouping all lustrous objects helps in identifying metals. This skill is fundamental for more advanced science topics in later classes.

6. How do the NCERT Solutions help clarify the difference between the 'hardness' and 'lustre' of a material?

The solutions clarify this by defining each property distinctly. Hardness refers to a material's resistance to being compressed or scratched—some materials are hard (like iron) while others are soft (like a sponge). Lustre, on the other hand, refers to the shine of a material's surface (e.g., gold, steel). The solutions use examples of materials that can be hard but not lustrous (like a stone) to prevent this common confusion.

7. Besides appearance and solubility, what other properties are used for sorting materials in the Chapter 4 solutions, and why are they significant?

The solutions highlight several other key properties. These include:

Hardness: To differentiate between materials that can be compressed easily and those that cannot.
Floatation/Sinking: To group materials based on their density relative to water.
Transparency: To classify materials based on their ability to let light pass through.

These properties are significant because they allow for a more detailed and useful classification of the vast variety of materials around us.

8. Why do the NCERT Solutions often use tables to answer questions about comparing material properties in Chapter 4?

Using tables is a highly effective method for presenting comparisons, which the NCERT Solutions adopt for clarity. A table allows for a direct, side-by-side comparison of different materials based on multiple properties like solubility, hardness, and transparency. This format makes it easier for students to see patterns, understand differences, and revise information quickly, which is a key skill for writing better answers in exams.