11 Questions
What is the result of the splint test for nitrogen gas?
The splint will not continue burning in nitrogen gas.
What is the result of the limewater test for nitrogen gas?
The limewater will remain clear with no reaction.
What is the result of the burning/glowing splint test for air?
The splint will continue burning/glowing.
What is the result of the limewater test for identifying carbon dioxide in air?
The limewater will remain clear initially but will become cloudy after some time.
What materials are required for the glowing splint test for oxygen gas?
Glowing (not burning) wooden splint, test tube containing oxygen sample
How does the observation of the burning splint test for oxygen gas differ from the observation of the glowing splint test?
The burning splint continues burning brightly inside the test tube, while the glowing splint relights and burns brightly inside the test tube.
What is the purpose of the limewater test for carbon dioxide?
To test for the presence of carbon dioxide by adding limewater into a test tube containing the carbon dioxide sample and shaking it gently.
Which test for oxygen gas is described as a more sensitive test than the other?
The glowing splint test
What is the observation when carbon dioxide is passed through limewater?
The limewater turns milky white.
What is the reaction that occurs when carbon dioxide reacts with limewater?
Carbon dioxide + limewater → calcium carbonate (precipitate) + water
What is the observation when a hydrogen carbonate indicator is added to a test tube containing carbon dioxide?
The indicator solution turns red.
Learn about the burning splint test and glowing splint test to identify the presence of oxygen gas. Understand the materials required and the procedures for conducting these tests, along with the expected observations.
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