Why should we test water

Problem: Kitchen faucet's hot water is running but not getting hot.Indicate whether the test is symmetric or asymmetric.
1. 1 answer
2. 52 views
What is mode n average for 2 students test scores our of 25 for maths.A Test 1: =21 Test 2: =24 Test 3:=19 Test 4: =21 K Test
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2. asked by nyle wilkes
3. 1,361 views
For BOD5 test1) Why water samples needed dilution? 2)How to check the test accuracy? 3)Under what conditions, the water sample
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2. asked by BEN
3. 1,052 views
For a BOD5 Test:1) why water samples needed dilution 2) How to check the test accuracy 3) Under what conditions, the water
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2. asked by Nor
3. 458 views
What is the out come of Tollen's test.Test for aldehyde functional group.what is the result when holding a test tube containing
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2. 78 views
When salt dissolves completely into water, which term is used to describe the water?solvent concentration solute solution Does
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2. asked by Can some please assist??
3. 6,769 views
If Sally got a 85 on her testKevin got a 79 On his Test Matthew got a 100 on his test Javier got a 93 on his test Kelly got a 96
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2. asked by yES
3. 172 views
pH Indicators7 test tubes Added 5mL of water of 0.1 HCl and 5mL of water to 1st test tube. Poured 9mL of water to remaining 6
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2. asked by linda
3. 750 views
Which water quality test is the most important test for the health of a water ecosystem?Thanks
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2. asked by big red
3. 800 views
Mario places 10 mL of water in a test tube and heats the liquid over a Bunsen burner for 2 minutes. After removing the test tube
1. 1 answer
2. 44 views