NCERT Solutions Class 6 Science Chapter 15 Air Around Us – Here are all the NCERT solutions for Class 6 Science Chapter 15. This solution contains questions, answers, images, explanations of the complete chapter 15 titled Air Around Us of Science taught in class 6. If you are a student of class 6 who is using NCERT Textbook to study Science, then you must come across chapter 15 Air Around Us. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 6 Science Chapter 15 Air Around Us in one place.
NCERT Solutions Class 6 Science Chapter 15 Air Around Us
Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 6 so that you can refer them as and when required. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.
For a better understanding of this chapter, you should also see summary of Chapter 15 Air Around Us , Science, Class 6.
Air Around Us
NCERT Solutions Class 6 Science chapter 15 Air Around Us
Class 6, Science chapter 15, Air Around Us solutions are given below in PDF format. You can view them online or download PDF file for future use.
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Question & Answer
Q.1: What is the composition of air?
Ans : Air is a mixture of 79% nitrogen, 20% oxygen, 1% carbon dioxide, water vapours and some other gases. Air also contains dust particles.
Q.2: Which gas in the atmosphere is essential for respiration?
Ans : Oxygen is essential for respiration.
Q.3: How will you prove that air supports burning?
Ans : Take a candle. Place it in a tub. Light the candle and also fill the tub with some water. Cover the candle with an inverted glass. You will find that the candle blows out after burning for some time, and the water level inside the inverted glass rises up to some extent. The component, oxygen, of air inside the glass is used up in burning. Therefore, water occupies that space. This shows that air supports burning.
Q.4: How will you show that air is dissolved in water?
Ans : To show that air is dissolved in water we take water in a pan and heat it. Just before it boils, you will notice some bubbles at the inner surface of the pan. These bubbles are formed because of air dissolved in water.
Q.5: Why does a lump of cotton wool shrink in water?
Ans : A lump of cotton wool shrinks when immersed in water. This is because air present in the cotton wool escapes. Thus, the volume of the cotton wool decreases.
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