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NCERT Solutions for Class 6 Science Chapter 6 - In Hindi

Q: 1. Give examples to explain the difference between changes that can or cannot be reversed according to Chapter 6 of NCERT textbook of Science for Class 6?

Reversible Change - Melting of ice is when water turns to ice when frozen and ice cubes turn into the water at room temperature. Irreversible Change - Burning of paper results in ash, which cannot be made into paper again.

NCERT Solutions

Class 6

Science In Hindi

Chapter 6 Changes Around Us

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NCERT Solutions for Class 6 Science Chapter 6 Changes around Us In Hindi 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 6 - Changes Around Us
Content Type:	Text, Videos, Images and PDF Format
Academic Year:	2024-25
Medium:	English and Hindi
Available Materials:	Chapter Wise
Other Materials	Important Questions Revision Notes

Access NCERT Solutions for Class 6 Science Chapter 6 – हमारे चारो और के परिवर्तन

1. जब आप जलमर्ग इलाके में घूमते है तो अपनी पोशाक को मोड़कर उसकी लम्बाई कम कर लेते है। क्या इस परिवर्तन को उत्क्रमित किया जा सकता है।

उत्तर: हाँ हम अपनी पोशाक की लम्बाई को छोटा या बढ़ा कर बदल सकते है इसलिए इस परिवर्तन को उत्क्रमित किया जा सकता है |

2. अकस्मात आपका प्रिय खिलौना गिरकर टूट जाता है आप कतई इस परिवर्तन को नहीं चाहते थे। क्या यह परिवर्तन उत्क्रमित किया जा सकता है ?

उत्तर: नहीं ,यह परिवर्तन उत्क्रमित नहीं किया जा सकता है क्योंकि टूटे हुए खिलौने को दुबारा जोड़ा नहीं जा सकता है।

3.नीचे दी गयी सारणी में कुछ परिवर्तन दिए गए है। प्रत्येक परिवर्तन के सामने रिक्त स्थान में लिखिए कि वह परिवर्तन किया जा सकता है अथवा नहीं ?

उत्तर:

क्रम संख्या	परिवर्तन	उत्क्रमित किया जा सकता है ( हाँ / नहीं )
1	लकड़ी के टुकड़े को चीरना	नहीं
2	आइसक्रीम का पिघलना	हाँ
3	चीनी का जल में घुलना	हाँ
4	खाना पकाना	नहीं
5	आम का पकना	नहीं
6	दूध का दही में जमना	नहीं

4. चित्रकारी करने पर ड्राइंग शीट में परिवर्तन है। क्या आप इस परिवर्तन को उत्क्रमित कर सकता है ?

उत्तर: अगर हम ड्राइंग शीट पर पेंसिल से चित्र बनाते है तो उसे रबड़ से मिटाकर पुनः उत्क्रमित किया जा सकता है लेकिन यदि हम चित्रकारी रंग से करते है तो उसे उत्क्रमित नहीं किया जा सकता है।

5. उदाहरण देकर उत्क्रमित किये जाने वाले तथा उत्क्रमित न किये जाने वाले परिवर्तन में अंतर स्पष्ट कीजिये।

उत्तर: उत्क्रमित किये जाने वाले तथा उत्क्रमित नहीं किये जाने जाने वाले परिवर्तन में अंतर कुछ इस प्रकार है -

यदि हम कागज़ के टुकड़े को मोड़कर कोई आकृति बनाते है तो उसे वापस खोलकर उत्क्रमित किया जा सकता है लेकिन यदि हम कागज़ के टुकड़े को काटकर कोई आकृति बनाते है तो उसे पुनः उत्क्रमित नहीं किया जा सकता है।
मोमबत्ती के जलने को उत्क्रमित किया जा सकता है क्योंकि पिंघले हुए मोम को पुनः मोमबत्ती बनाकर जलाया जा सकता है लेकिन माचिस के जलने को उत्क्रमित नहीं किया जा सकता क्योंकि माचिस की तीली जलने के बाद राख बन जाती है।
गुब्बारे में हवा भरने के बाद उसकी हवा निकाल कर पुनः उसके आकर में लाया जा सकता है अतः उत्क्रमित किया जा सकता है लेकिन यदि गुब्बारे में हवा भरते समय उसमें छेद हो जाता है तो उसमें हवा नहीं भरी जा सकती है अतः उत्क्रमित नहीं किया जा सकता है।

6. टूटी हुई हड्डी पर बंधी पट्टी के ऊपर प्लास्टर ऑफ़ पेरिस ( POP ) की एक मोती परत चढ़ाई जाती है सूखने पर यह कठोर हो जाती है जिससे टूटी हुई हड्डी हिलती नहीं है। क्या POP में हुए इस परिवर्तन को उत्क्रमित कर सकते है ?

उत्तर: इस परिवर्तन को उत्क्रमित नहीं किया जा सकता है क्योंकि प्लास्टर ऑफ़ पेरिस सूखने के बाद कठोर हो जाता है और उसे वापस से पुरानी अवस्था में नहीं लाया जा सकता है।

7. रात्रि में एक सीमेंट की बोरी जो कि एक खुले मैदान में रखी हुई थी वर्षा के कारण भीग जाती है। अगले दिन तेज़ धुप निकलती है। सीमेंट में जो परिवर्तन हुआ क्या उसे उत्क्रमित किया जा सकता है ?

उत्तर: सीमेंट पर पानी पड़ने पर वह कठोर हो जाती है इसलिए इसे पुनः पुरानी अवस्था में नहीं लाया जा सकता है। अतः इस परिवर्तन को उत्क्रमित नहीं किया जा सकता है।

NCERT Solutions for Class 6 Science Chapter 6 Changes around Us 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 6 solution Hindi medium is 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 6 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 6 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 Changes around Us 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 Changes around Us 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 6 - In Hindi

1. Give examples to explain the difference between changes that can or cannot be reversed according to Chapter 6 of NCERT textbook of Science for Class 6?

Reversible Change - Melting of ice is when water turns to ice when frozen and ice cubes turn into the water at room temperature.

Irreversible Change - Burning of paper results in ash, which cannot be made into paper again.

2. What does Chapter 6 of NCERT textbook of Science for Class 6 convey?

Every day, different kinds of changes take place. Day changes into night, night changes back into a day, the sun and the moon rises and sets, climate changes, ice melts and so on. Any sort of difference in size, state, colour, texture, material or shape of a given object is known as change.

3. Is Chapter 6 of Class 6 Hindi easy?

It depends on the student. If learnt with the right amount of focus and concentration, this chapter can be easy. However, if the student is not able to understand the concept clearly, NCERT Solutions are available on Vedantu for free. These solutions provide a complete explanation in detail in a simple language. Also, the solutions are curated by experts so they are completely accurate.

4. What are the different ways to bring about changes according to Chapter 6 of NCERT textbook of Science for Class 6?

It is possible to bring about changes in substances and objects by carrying out one or more of these methods:

Heating
Putting force.
Making a mixture

An in-detail explanation of all these methods of bringing change has been provided in the Chapter 6 of NCERT textbook of Science for Class 6 by Vedantu which you can download free of charge at your convenience. All you have to do is visit the official website of Vedantu or Vedantu Mobile app and choose the subject and chapter of your choice for a complete explanation.

5. What is a chemical change according to Chapter 6 of NCERT textbook of Science for Class 6? Explain with example.

The change wherein a new substance having different chemical properties than the original substance is formed is called a chemical change. The chemical change is an important topic that will also be useful for future classes. An example of this change is the reaction of baking soda and vinegar in order to release carbon dioxide and other chemicals. For more relevant examples and information for your exams, make sure to visit Vedantu's website to avail the NCERT Solutions PDF. These solutions are available on the Vedantu website for free of cost.