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9th Class Chemistry Online Preparation
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Chemistry 9th Class Chemistry Urdu Medium Short Question Preparations
Try the Chemistry 9th Class Chemistry Urdu Medium Short Question Preparations.
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Total Questions20
Chemistry 9th Class Chemistry Urdu Medium Short Question Preparations
Question # 1
ایویپوریشن سے ٹھنڈک کیوں پیدا ہوتی ہے؟
- Ans 1: ایویپوریشن کے نتیجے میں ٹھنڈک پیدا ہوتی ہے. جب زیادہ کائی نیٹک انرجی والے مالیکیولز ویپرز بن کر سطح سے باہر نکل جاتے ہیں تو باقی مالیکیولز کا ٹمپریچر کم ہوجاتا ہے. انرجی کی اس کمی کو پورا کرنے کیلئے مائع کے مالیکیولز گردونواح سے انرجی جزب کرتے ہیں. نتیجے کے طور پر گردونواح کا ٹمپریچر کم ہوجاتا ہے اور ہم ٹھنڈک محسوس کرتے ہیں.
9th Class Chemistry Short Question Preparation
Here you can prepare 9th Class Chemistry Urdu Medeium Short Question Preparation. Click the button for 9th Class Chemistry urdu Medium 100% free full practice test.
Here is List Of Chapter Wise Tests
| Ch. # | Test Name | Total Questions | PDF File | Launch Test |
|---|---|---|---|---|
| 0 | 9th Class Chemistry Urdu Medium Chapter 1 Preparation | 36 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 2 Preparation | 29 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 3 Preparation | 36 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 4 Preparation | 39 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 5 Preparation | 36 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 6 Preparation | 39 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 7 Preparation | 39 | Download PDF | Launch Test |
| 0 | 9th Class Chemistry Urdu Medium Chapter 8 Preparation | 40 | Download PDF | Launch Test |
Test Questions
