a solution should contain 2 onces of cemical for every 7 once of water. how much cemical should be added to 20 once of water to get the proper concentration.?
pls tell guys
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we cannot live without water but we still keep wasting it do you think it is a good habit why why why notNo it is not a good habit.. By this we wasting water millions of litres in a day by millions of people. And this will result in lack of water in future. So we don't waste water and find the new ways to stop the drainage of water...is it true?
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