Hydrogen gas is prepared and tested more safely using microscale techniques. Hydrochloric acid reacts with zinc metal to produce hydrogen gas. The hydrogen gas is collected by water displacement in the bulb of a Beral-type pipet. Pure hydrogen gas as well as hydrogen mixed with air can be safely tested for flammability. Many trials can be run during one class period. All chemicals and specialized equipment are provided.
Complete for 30 students working in pairs.
Additional ResourcesNo Additional Resources at the time.
Flinn Catalog/Reference Manual Page 459
Flinn Middle School Catalog/Reference Manual Page 356
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