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Making and testing ammonia

Description

In this experiment students make ammonia, investigate its solubility in water and test its alkaline nature. The experiment provides a useful precursor to the ammonia fountain demonstration.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
making-and-testing-ammoni...



Apparatus Chemicals

Eye protection

Each working group will require:

Retort stand, boss and clamp

Boiling tube with stopper and delivery tube – see diagram. This apparatus must be dry

Boiling tubes, 2 – must be thoroughly dry

Beaker (100 cm3)

Beaker (250 cm3) or larger

Bunsen burner

Heat resistant mat

Spatula

Students will need access to:

Ammonium chloride (HARMFUL)

Calcium hydroxide (IRRITANT)

Calcium oxide (CORROSIVE) - (optional)

Concentrated hydrochloric acid (CORROSIVE)

Red Litmus paper

Blue Litmus paper

Universal indicator paper

Refer to Health & Safety and Technical notes section below for additional information.

 






Page last updated July 2016

In this experiment students make ammonia, investigate its solubility in water and test its alkaline nature. The experiment provides a useful precursor to the ammonia fountain demonstration.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology .