21:58
Part-1. Water as a solvent | Polar nature of water | chemistry class 10 chapter 15
MJD Chemistry
12:30
Introduction to Water | chemistry class 10 chapter 15
24:17
Physical Properties of Water || Chemistry class 10 chapter 15
20:18
Removal of permanent Hardness of water | Softening of water | Chemistry 10 chapter 10
5:48
Soft water and hard water || Chemistry class 10 chapter 15
12:08
Disadvantages of hard water || Chemistry Class 10 chapter 15
5:42
Temporary Hardness and permanent Hardness of water || Chemistry Class 10 chapter 15
16:26
Cause of hardness of water || Chemistry Class 10 chapter 15
16:25
Removal of Temporary Hardness | Softening of water | chemistry class 10 chapter 15
7:11
Occurrence of water | presence of water | Chemistry Class 10 Chapter 15
11:52
Part-1. Industrial effluents | Ch#15 | 10th class chemistry
13:51
Part-1. Waterborne disease | Definition and its causes | ch#15 | 10th class chemistry
25:38
Domestic Effluents | Water pollution | chemistry class 10 chapter 15
15:48
Part-2. Industrial effluents | Disadvantages of industrial effluents | ch#15 | 10th class chemistry
15:09
Part-2. Waterborne disease | Cryprosporadium, Typhoid, Hookworm | ch#15 | 10th class chemistry
28:42
Part-2. Waterborne disease | Diarrhea, Dysentry, Cholera, Floureces, Jaundice | ch#15 | 10th class
15:42
Agriculture effluents | water pollution | ch#15 | 10th class chemistry
10:11
Prevention from waterborne diseases | chemistry class 10 chapter 15
12:10
Disadvantages of polluted water | ch#15 | 10th class chemistry
