 | James Orton, Charles Wright Dodge - 1903 - 550 σελίδες
...punctured with the knife they may be inflated. To work well they should be kept moistened (Fig. 283). The presence of carbon dioxide in the air exhaled from the lungs may be shown by using limewater or baryta water, with either of which carbon dioxide forms an insoluble... | |
 | William McPherson, William Edwards Henderson - 1906 - 168 σελίδες
...? What use does this suggest for charcoal ? CARBON DIOXIDE AND CARBONIC ACID 1. Prove its presence in the air exhaled from the lungs by blowing through...and shake up the contents. What do the results prove ? 2. Preparation (usual laboratory method). Put some pieces of marble in your hydrogen generator, cover... | |
 | William McPherson, William Edwards Henderson - 1921 - 304 σελίδες
...with a burning splint for its presence in the second bottle. B FIG. 29 d. By blowing through limewater prove the presence of carbon dioxide in the air exhaled from the lungs (R). Hold a wide-mouthed bottle above a small flame so that the hot gaseous products of combustion... | |
 | Mary Ethel Jones - 1921 - 200 σελίδες
...contains carbon dioxide by blowing some air through 10 cc. of fresh limewater in a test tube. Explain the presence of carbon dioxide in the air exhaled from the lungs. 6. Burn a splint in a bottle. Cover the bottle. Add limewater and shake. Result? Explain. 7. Burn a... | |
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Prove the presence of carbon dioxide in the air exhaled from the lungs by blowing through limewater (R). Hold a wide-mouthed bottle above a small flame so that the hot gaseous products of combustion will collect in it ; then quickly add a few cubic centimeters... 