Laboratory Manual in General Science
Laboratory Manual in General Science
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In our eReader you can find the full English version of the book. Read Laboratory Manual in General Science Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Laboratory Manual in General Science
What reading level is Laboratory Manual in General Science book?
To quickly assess the difficulty of the text, read a short excerpt:
(c) Test for the presence of vegetable impuiities.
Pour some distilled water into one beaker, and then into another beaker pour an equal quantity of the sample water. To each beaker add a drop of potassium perman- ganate (or sufficient quantity to give the water a faint pinkish tint). Then boil the specimen water for a few minutes, and afterwards allow it to cool. If the color of the cooled tested water is different from the pink tinted distilled water, vegetable impurities are present in the s...ample water and it is not safe for drinking.
State your conclusions regarding the quality of your home water supply.
If possible, secure a sample of spring or pond water from the suburbs and test it in a similar manner.
The above tests are crude and do not give unfailing proofs of the purity of water. Samples of water might pass these tests and still be unsafe for drinking ; but on the other hand, if samples of water fail to pass these tests, the stream from which they come should not be used as a source of drinking water.
What to read after Laboratory Manual in General Science?
You can find similar books in the "Read Also" column, or choose other free books by Bertha May Clark to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
(c) Test for the presence of vegetable impuiities.
Pour some distilled water into one beaker, and then into another beaker pour an equal quantity of the sample water. To each beaker add a drop of potassium perman- ganate (or sufficient quantity to give the water a faint pinkish tint). Then boil the specimen water for a few minutes, and afterwards allow it to cool. If the color of the cooled tested water is different from the pink tinted distilled water, vegetable impurities are present in the s...ample water and it is not safe for drinking.
State your conclusions regarding the quality of your home water supply.
If possible, secure a sample of spring or pond water from the suburbs and test it in a similar manner.
The above tests are crude and do not give unfailing proofs of the purity of water. Samples of water might pass these tests and still be unsafe for drinking ; but on the other hand, if samples of water fail to pass these tests, the stream from which they come should not be used as a source of drinking water.
What to read after Laboratory Manual in General Science?
You can find similar books in the "Read Also" column, or choose other free books by Bertha May Clark to read onlineMoreLess
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