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WorksheetsIdentification of gases
Total questions: 10
Worksheet time: 6mins
A gas that turns paper soaked with acidified potassium manganate (VII) paper colourless
chlorine
ammonia
oxygen
sulfur dioxide
In a reaction, an alkaline gas is released. How can the production of this gas be confirmed?
Moist red litmus
Dry red litmus
Moist blue litmus
Dry blue litmus
A few drops of sulfuric acid are added to a solution X. Bubbles of gas form, which produce a white precipitate in limewater. This confirmed the production of which gas?
sulfur dioxide
carbon dioxide
oxygen
ammonia
What is the test for oxygen?
turns white precipitate in limewater
relights a glowing splint
bleaches damp blue litmus paper white
extinguishes a lighted splint with a pop sound
What is the test for hydrogen?
forms a white precipitate in limewater
relights a glowing splint
bleaches damp litmus paper
extinguishes a lighted splint with a pop sound
How do you test for Chlorine gas?
Bleaches damp litmus paper
Makes a pop with a lighted splint
Relights a glowing splint
Forms a white precipitate in limewater
How would you describe ammonia gas?
Colourless
Brown
Odourless
Pungent
Very soluble in water
What do you need as reactants to confirm that a nitrate is present?
Sodium hydroxide
Sulfuric acid
Aluminium
Magnesium
Warming
How would you describe carbon dioxide gas?
Acidic
Neutral
Colourless
White
Odourless
How would you describe chlorine gas?
Acidic
Bleaching agent
Colourless
Yellowish green
Pungent
