![Elementary botany . 65 Apparatus for col- The gas will rise against the thumb. A dry Acting quantity of ° J oxygen from elodea. soft pine splinter should be then lighted, and ( Elementary botany . 65 Apparatus for col- The gas will rise against the thumb. A dry Acting quantity of ° J oxygen from elodea. soft pine splinter should be then lighted, and (](https://c8.alamy.com/comp/2AJEB0C/elementary-botany-65-apparatus-for-col-the-gas-will-rise-against-the-thumb-a-dry-acting-quantity-of-j-oxygen-from-elodea-soft-pine-splinter-should-be-then-lighted-and-detmerafter-it-has-burned-a-short-time-extinguish-the-flame-by-blowingupon-it-when-the-still-burning-end-of-the-splinter-should-bebrought-to-the-mouth-of-the-tube-as-the-thumb-is-quickly-movedto-one-side-the-glowing-of-the-splinter-shows-that-the-gas-isoxygen-128-it-is-better-to-allow-the-apparatus-to-stand-several-days-in-the-sunlight-in-order-tocatch-a-full-tube-of-the-gasor-on-a-sunny-day-carbondioxide-gas-can-2AJEB0C.jpg)
Elementary botany . 65 Apparatus for col- The gas will rise against the thumb. A dry Acting quantity of ° J oxygen from elodea. soft pine splinter should be then lighted, and (
![Oxygen test. Glowing splint being relit by a gas in a test tube. This test suggests the presence of oxygen (O2), or a similarly reactive gas Stock Photo - Alamy Oxygen test. Glowing splint being relit by a gas in a test tube. This test suggests the presence of oxygen (O2), or a similarly reactive gas Stock Photo - Alamy](https://c8.alamy.com/comp/2ACC8EH/oxygen-test-glowing-splint-being-relit-by-a-gas-in-a-test-tube-this-test-suggests-the-presence-of-oxygen-o2-or-a-similarly-reactive-gas-2ACC8EH.jpg)
Oxygen test. Glowing splint being relit by a gas in a test tube. This test suggests the presence of oxygen (O2), or a similarly reactive gas Stock Photo - Alamy
![The art of lead burning; a practical treatise explaining the apparatus and processes. Fig. 2.—Experiment No. i. gas, being lighter than water, will rise to the topof the bottle (B), drive The art of lead burning; a practical treatise explaining the apparatus and processes. Fig. 2.—Experiment No. i. gas, being lighter than water, will rise to the topof the bottle (B), drive](https://c8.alamy.com/comp/2AG635P/the-art-of-lead-burning-a-practical-treatise-explaining-the-apparatus-and-processes-fig-2experiment-no-i-gas-being-lighter-than-water-will-rise-to-the-topof-the-bottle-b-drive-out-the-water-and-replaceit-with-pure-hydrogen-which-should-be-free-fromair-remove-the-bottle-from-the-pan-of-waterkeeping-it-inverted-thrust-a-lighted-splint-intothe-bottle-the-gas-will-light-and-burn-at-themouth-of-the-bottle-if-the-splint-is-thrust-farinto-the-bottle-it-will-go-out-drops-of-water-col-lect-in-the-bottle-burning-is-a-union-with-oxy-gen-therefore-the-burning-of-the-hydrogen-the-a-2AG635P.jpg)