Identification Of Common Gases Flashcards
What is the test for hydrogen?
The test for hydrogen uses a lit splint held at the open end of a test tube of gas. Hydrogen burns rapidly with a pop sound
What is the test for oxygen?
The test for oxygen uses a glowing splint inserted into a test tube of the gas. The splint relights in oxygen.
What is the test for carbon dioxide?
The test for carbon dioxide uses an aqueous solution of calcium hydroxide (lime water). When carbon dioxide is shaken or bubble through lime water, the lime water turns milky.
What is the test for chlorine?
The test for chlorine uses damp, blue litmus paper. When damp litmus paper is put into chlorine gas the litmus paper turns red and then bleaches white.
What is the test for ammonia?
The test for ammonia uses a damp red litmus paper, which turns blue. It also forms a white smoke of ammonium chloride when hydrogen chloride is present usually from the concentrated hydrochloric acid.
