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titrate with mercuric nitrate solution
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∙ 11y ago
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Suggest a test chemical that can be added to waste water to precipitate lead II ions show a chemical equation for the formation of the precipitate?
Put a little hydrochloric acid in the water sample. 2HCl + Pb -> H2 + PbCl2. Lead chloride is insoluble and its density is much higher than that of water. You can then perform a test on the precipitate to determine the ratio of lead chloride to silver chloride in your precipitate.
Cobalt chloride will give a positive test for?
Cobalt chloride is used to test for the presence of water. If there is no water present it is blue, if water is present it goes pink.
What is the identity test for water?
water turns blue cabolt chloride pink.
How can you separate the calcium chloride from the water?
Use a zink sulphate test
Cobalt chloride paper test?
water or water vapour will turn the blue cobalt chloride paper pink
Why few drops of nitric acid are added to a solution of silver nitrate and distilled water?
to acidify it for chloride test. you would not use hydrochloric as it contains chloride and interferes with chloride test. It may also act as a catalyst for the chloride test too. as small amounts can act as a catalyst for ester formation in organic chemistry.
What is cobalt chloride paper in simple terms?
Cobalt chloride paper is absorbent paper which has been soaked in cobalt chloride solution and allowed to dry. It is a convenient way to use cobalt chloride as a test for the presence of water. When cobalt chloride is anhydrous, that is completely without water, it is blue, but when there is water present, either in solution or in the solid, it is pink. To use cobalt chloride paper it is heated to drive off the water present, until it turns blue. You then dip it into the liquid you want to test. Water,or any liquid such as milk which contains water, will turn the paper pink (it may look white if there's not much cobalt chloride on it). Other liquids, e.g. gasoline, will have no effect.
When calcium chloride is dissolved in water will it conduct electricity?
Yes, test with a electric multy meter
What is the rate of test tube baby procedure in Pakistan?
Do you think doctors actually come on here and waste their time with stupid questions like these
Why can't sulfuric acid be used instead of hydrochloric acid in the barium chloride test?
Because barium sulfate is a precipitate; barium chloride is soluble in water.
Why mercuric chloride does not give chromyl chloride test?
Because mercuric chloride is a covalent compound and is not an ionic compound. Only ionic compounds give chromyl chloride test
When hydrogen chloride is dissolved in water to form hydrochloric acid what happens to the hydrogen chloride?
when hydrogen chloride is dissolved in water to form hydrochloric acid, the hydrogen chloride turns to HCL subscript 38 because of the water molecules. i also believe that they change from clear to a misty green colour but it may just be the result of a dirty test tube.
