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Updated: June 11, 2025


In what four ways is the air you breathe out different from that which you took in? 19. Why does lime-water become milky when you breathe into it? 20. When you run, why do you breathe more quickly? Why does your heart beat faster? 21. How can you improve your "wind"? 22. In fever, why do you breathe more rapidly? 23. How do the ribs and muscles help in breathing? Why is "caged air" dangerous? 2.

If you have hens of your own, keep a jar of lime-water always ready, and put in the eggs as they are brought in from the nests. Jars that hold about six quarts are the most convenient. It will be well to renew the lime-water occasionally. The fresher they are the longer time they will require for boiling.

FEATHERS CLEANED. In order to clear feathers from animal oil, dissolve a pound of quick lime in a gallon of clear water; and pour off the clear lime-water for use, at the time it is wanted. Put the feathers to be cleaned in a tub, and add to them a sufficient quantity of the clear lime-water, so as to cover them about three inches.

If he couldn’t get along any other way, he could fill his pockets with brimstone matches, and his boots full of blue vitriol. Or he could carry a bunch of Chinese fire-crackers in his hat, and touch them off on the sly whenever he felt himself in need of a healthy smell. Then he could wash himself all over in lime-water, and drink a quart or so of some liquid disinfectant every time he came away.

The feathers, when thoroughly moistened, will sink down, and should remain in the lime-water for three or four days; after which, the foul liquor should be separated from them by laying them on a sieve. They are afterwards to be washed in clean water, and dried on nets, the meshes being about the same fineness as those of cabbage nets.

Ripe yellow tomatoes are preserved the same way, except that they are scalded for peeling, and hardened by dropping in alum water after their lime-water bath. The same process applied to watermelon rind after it is freshened makes citron. Brandy Peaches and Pears: These can be made without cooking.

I knew, for example, that in science, whether it be subject XII., Organic Chemistry, or subject XVII., Animal Physiology, when you blow into a glass of lime-water it instantly becomes cloudy, and if you continue to blow it clears again, whereas in truth you may blow into the stuff from the lime-water bottle until you are crimson in the face and painful under the ears, and it never becomes cloudy at all.

Now, suppose we do something of the same kind here with this carbonic acid. You know carbonic acid to be a heavy gas. I will not test it with lime-water, as that will interfere with our subsequent experiments; but I think the heaviness of the gas and the power of extinguishing flame will be sufficient for our purpose. I introduce a flame into the gas, and you will see whether it will be put out.

The treatment consisted of the application of belladonna and cantharides plasters, bismuth, and lime-water, camphor, and salts of white hellebore inhaled through the nose in finest powder. Two other cases are mentioned by the same author. Gapper describes the case of a young man who was seized with loud and distressing hiccough that never ceased for a minute during eighty hours.

After discovering this gas, Black made a long series of experiments, by which he was able to show how widely it was distributed throughout nature. Thus, in 1757, he discovered that the bubbles given off in the process of brewing, where there was vegetable fermentation, were composed of it. To prove this, he collected the contents of these bubbles in a bottle containing lime-water.

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