Identify and Collecting Gases
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More Lessons for IGCSE Chemistry
Math Worksheets
A series of free IGCSE Chemistry Activities and Experiments (Cambridge IGCSE Chemistry).
The following table shows the tests for gases:
Ammonia, Carbon Dioxide, Chlorine, Hydrogen, Oxygen, Sulfur Dioxide.
Testing of Ammonia Gas Testing for chlorine gas
Methods for collecting gases
Downward delivery for gases that are denser than air. (eg. hydrogen)
Upward delivery for gases that are less dense than air. (eg carbon dioxide)
Collection over water for gases that are not very soluble in water.
Collection in gas syringe when the volume of gas needs to be measured.
Methods for drying gases
Concentrated sulfuric acid is used to dry all gases except ammonia.
Anhydrous calcium chloride is used for all gases except ammonia.
Calcium oxide is used to dry ammonia and neutral gases.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
More Lessons for IGCSE Chemistry
Math Worksheets
A series of free IGCSE Chemistry Activities and Experiments (Cambridge IGCSE Chemistry).
The following table shows the tests for gases:
Ammonia, Carbon Dioxide, Chlorine, Hydrogen, Oxygen, Sulfur Dioxide.
Testing of Ammonia Gas Testing for chlorine gas
Downward delivery for gases that are denser than air. (eg. hydrogen)
Upward delivery for gases that are less dense than air. (eg carbon dioxide)
Collection over water for gases that are not very soluble in water.
Collection in gas syringe when the volume of gas needs to be measured.
Methods for drying gases
Concentrated sulfuric acid is used to dry all gases except ammonia.
Anhydrous calcium chloride is used for all gases except ammonia.
Calcium oxide is used to dry ammonia and neutral gases.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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