Chemistry- Testing for gases

Descrição

Testing for gases
Dodsters
FlashCards por Dodsters, atualizado more than 1 year ago
Dodsters
Criado por Dodsters quase 11 anos atrás
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Resumo de Recurso

Questão Responda
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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