Chemistry- Testing for gases

Description

Testing for gases
Dodsters
Flashcards by Dodsters, updated more than 1 year ago
Dodsters
Created by Dodsters almost 11 years ago
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Resource summary

Question Answer
Oxygen
Made by..? Decomposition of hydrogen peroxide using a manganese dioxide catalyst.
Test..? Glowing splint
Result..? Splint relights
Hydrogen
Made by..? Reacting a reactive metal (e.g. magneseum) with acid.
Test..? Lit flame
Result..? gas burns with a squeaky pop (to produce water)
Carbon dioxide
Made by..? A) reaction of a metal carbonate with acid or.. B) thermal decomposition of a metal carbonate
Test..? bubble the gas through limewater
Result..? Lime water turns milky
Ammonia
Test..? Damp red litmus paper
Result..? Litmus paper turns blue
Chlorine
Test..? Damp litmus paper
Result..? Litmus paper is bleached white
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