DEGREE OF HARDNESS OF WATER TRICK

[@a_____S________W-c4g]

Really from the heart thank u so much mam,no one explained it better

[@polsanisaisiddartha2124]

super sister gud explanation

[@anudeepreddy3046]

Great video

[@Priya-rb8nx]

You are doing such a great job you are helping me in my tough situation.

[@Thalapathynadu]

Super mam crystal clear

[@MuhammadAlZuhaib]

Great video, helped me a lot, thank you. I would like to correct a mistake, the answer for the fourth question is fourty eight, weight of water sample given is five hundred not hundred, nevertheless, thank you for helping me

[@ratnachandsreepathivisuala7941]

5 ppm omg thats really fantastic...

[@tricksinjeeneet2032]

Tq😊😊 dear pls share this with your friends

[@bonagirisriharsha6086]

Sister I have a doubt washing soda formula is Na2CO3/Na2CO3.10H20 can plz give me a clarity

[@MuhammadAlZuhaib]

Na2CO3.10H2O

[@zeldanintendo9266]

Answer 5 PPM
Mam

[@bonagirisriharsha6086]

Answer for 5 th question is 5ppm

[@shambhavisuhas5659]

5ppm

[@surrrfles]

Similar to komali mam

[@venkatasaigorle2566]

5 ppm