結果 : objectives of purification of water
8:12

Purification of water (disinfection of water for drinking purpose)

VIEW CHEM
1,427 回視聴 - 3 年前
1:01

Water Purification - Why is alum added to water? | #aumsum #kids #science #education #children

It's AumSum Time
382,563 回視聴 - 7 年前
2:38

PURIFICATION OF WATER || PURIFICATION METHODS || SCIENCE EDUCATIONAL VIDEO FOR CHILDREN

Make It Easy Education
36,589 回視聴 - 1 年前
12:26

How City Water Purification Works: Drinking and Wastewater

Animagraffs
746,414 回視聴 - 3 年前
5:57

Purification of water for Domestic and Municipal purposes for FSO|FCI|FSSAI Competitive exams

Unique Learners
870 回視聴 - 4 年前
4:26

portable water purification plant | drinking water treatment process | water filtration plant

source of skills
75,008 回視聴 - 1 年前
34:57

Purification of water

Vidya-mitra
1,905 回視聴 - 6 年前
0:48

Purification of Water: Amazing Science Project for Kids! 💧🔬

Ayra Shaikh.
30,598 回視聴 - 2 年前
1:07:46

Purification Activation to Prepare to Meet Your Twin Flame

The Angel Raphael
1,351 回視聴 - 11 時間前

-
4:34

Stages of purification of water- Std 4 and 5

Manisha Borale
399 回視聴 - 4 年前
12:11

General Chemistry Lecture 216 - Objectives of Treatment of Natural Water (Purification)

Chemistry Lectures By Prof. I. Z. Khan
37 回視聴 - 5 年前
3:58

Water purification working model | Easy science project 2024

Genius Theory
1,216,474 回視聴 - 8 か月前

-
11:54

WATER PURIFICATION | OBJECTIVES | STAGES OF WATER TREATMENT SYSTEM| VERY IMPORTANT TOPIC

NIKRA'S EXPERT LEARNING
31 回視聴 - 2 年前
3:42

E4C Trend Analysis: Small-Scale Water Purification

Engineering for Change
15,581 回視聴 - 6 年前
1:12

please watch this chemistry investigatory project on the topic of "water purification" made by me 😌

The positive peaches ...
27,048 回視聴 - 3 年前
10:47

Why Tap Water is DANGEROUS and How to Filter it Properly | Dr. Andrew Huberman

The Focal
591,788 回視聴 - 1 年前
2:57

Water purification working model for school project | How to make water filter

Genius Theory
32,538 回視聴 - 5 か月前
17:05

Water Purification In HINDI {Science Thursday}

science to technology
93,251 回視聴 - 5 年前
3:26

water purification working model (4 stages) explained in English science exhibition | howtofunda

howtofunda
49,004 回視聴 - 11 か月前
1:40

How to make a Solar Water Filter at home

GOODTECH - Creativity and Science
332,312 回視聴 - 7 年前