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What else can I help you with?
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.
Mention and explain two test for the presence of water?
One test for the presence of water is the cobalt chloride paper test, where a piece of paper treated with cobalt chloride changes from blue to pink in the presence of water. Another test involves using an anhydrous metal salt, like anhydrous copper(II) sulfate, which turns from white to blue when it absorbs water molecules.
What is mohr's salt test?
Mohr's salt test is a chemical test used to detect the presence of chloride ions in a solution. It involves adding a silver nitrate solution to the sample, which forms a white precipitate of silver chloride if chloride ions are present. The formation of the precipitate confirms the presence of chloride ions in the solution.
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 are 3 ways you could determine in the lab if a solution had salt dissolved in it without tasting?
You could use a conductivity meter to test for the presence of ions in the solution, perform a flame test to observe characteristic colors produced when salt is burned, or use a pH indicator to detect a change in pH level caused by the presence of salt ions.
What is a test for presence of coch3 group?
One common test for the presence of a -COCH3 group is the 2,4-dinitrophenylhydrazine (Brady's) test. In this test, the compound is treated with 2,4-dinitrophenylhydrazine in the presence of acid to form a yellow to orange precipitate, indicating the presence of a ketone or aldehyde functional group.
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 does a positive presence-absence test indicate?
The Presence-Absence (P-A) test is a presumptive detection for coliforms.
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.
