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what is used to test for the presence of salt in water
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∙ 10y ago
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Add a drop of silver nitrate to both a distilled water test tube and to the test tube containing the salt solution in the test tube. What do you observe?
Should be a white precipitate. Indicative of the presence of either Na or Mg. Wrong again people. Silver Nitrate is used to test for the presence of chloride ions. Such as those in your salt a.k.a sodium chloride and yes adding silver nitrate to your salt solution will create a white precipitate.
Is biuret test suitable to test the presence of proteins in the urine?
Yes, the biuret test will indicate the presence of peptides. If it turns violet, it is a positive result.
State a test for the presence of hydrogen?
The burning splint test is used to test for the presence of hydrogen. The symbol for hydrogen is H.
What does a positive presence-absence test indicate?
The Presence-Absence (P-A) test is a presumptive detection for coliforms.
What qualitative test should be done to test the presence of Vitamin A?
A blood test needs to be done to test for the presence of Vitamin A. If you have a Vitamin A deficiency, you may be anemic.
What affect does salt to freezing point hypothesis indipendent and dependent variable?
An "hypothesis" doesn't have independent and dependent variables until you design an experiment to test it. If you want to test the effect that salt in solution has on the freezing point of the solution, then the independent variable is the presence, absence, or concentration of the salt. The dependent variable is the freezing temperature you measure in each condition.
The million's test is specific test for?
A test for detecting the presence of proteins.
What test would you run to test for the presence of a polypeptide?
Biuret test
Effects of salt on the rate of rusting?
The rate of rusting increases with the presence of salt.
What is the purpose for iodine test?
The Iodine test is used to test for the presence of starch.
What is a test for presence of coch3 group?
Use an Iodoform test
What is the difference between marine and freshwater ecosystem is the presence of?
Salt in the water. Salt water.
