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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 8 New
Particulate Nature of Matter
Pumpa Practice Questions

12. Characteristics of states of matter

Exercise condition:

3 m.

Go through the following question and provide the answer:

Anu filled a balloon with air and tied tightly. After some time, the balloon slowly became smaller.

1. Why did the balloon shrink slowly?

Air particles have less particle spacing
Air particles are closely held
Air particles escaped slowly through tiny holes in the balloon
Air particles are held by strong force of attraction

2. Why can gas particles escape easily?

Gas particles move freely because of weak attractive force
Gas particles move freely because of less interparticle spacing
Gas particles move freely because of high attractive force
Gas particles move freely because of strong attractive force

3. What is the arrangement of particles in gases?

Gas particles are closely packed and arranged randomly
Gas particles are far apart and arranged randomly
Gas particles are strongly held together and arranged randomly
Gas particles are far apart and fixed

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