Foods
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In our eReader you can find the full English version of the book. Read Foods 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 Foods
What reading level is Foods book?
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Should the water contain much suspended matter, or be very dark in colour, it may, we think, be said to be unfit for drinking purposes in its then state, though filtration may render it quite good.
Observe the smell of the water. This is best done by shaking up some of the water in a flask with a short and wide neck about one-third full, and then inhaling the air in the upper part of the flask. Should it smell disagreeable in any high degree, the water may be said to be unfit to drink.
N^ow war...m the water slightly and smell again. Warming will often bring out the smell of a water when none could be detected in the cold.
Now add a little caustic potash to the warm water ; should this cause any unjDleasant smell, we may be pretty sure that the water contains organic matter in some quantity. Notice if a precipitate occurs on the addition of the potash ; if so, whether much or little, whether coloured or white. The occurrence of a precipitate indicates hardness ; the colour may either be caused by organic colouring matter in the water, or by iron.
What to read after Foods?
You can find similar books in the "Read Also" column, or choose other free books by Smith, Edward, 1818?-1874. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Should the water contain much suspended matter, or be very dark in colour, it may, we think, be said to be unfit for drinking purposes in its then state, though filtration may render it quite good.
Observe the smell of the water. This is best done by shaking up some of the water in a flask with a short and wide neck about one-third full, and then inhaling the air in the upper part of the flask. Should it smell disagreeable in any high degree, the water may be said to be unfit to drink.
N^ow war...m the water slightly and smell again. Warming will often bring out the smell of a water when none could be detected in the cold.
Now add a little caustic potash to the warm water ; should this cause any unjDleasant smell, we may be pretty sure that the water contains organic matter in some quantity. Notice if a precipitate occurs on the addition of the potash ; if so, whether much or little, whether coloured or white. The occurrence of a precipitate indicates hardness ; the colour may either be caused by organic colouring matter in the water, or by iron.
What to read after Foods?
You can find similar books in the "Read Also" column, or choose other free books by Smith, Edward, 1818?-1874. [from Old Catalog] to read onlineMoreLess
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