Expected Observation: Effervescence observed. A colourless and odorless gas evolved produced white precipitate in limewater. (No writing of chalky or milky or white suspension!!!)
02 Test for Ammonia Gas
Expected Observation: Effervescence observed. A colourless and pungent gas evolved turn damp red litmus paper blue.
03 Test for Oxygen Gas
Expected Observation: A colourless and odorless gas evolved relights a glowing splint.
04 Test for Hydrogen Gas
Expected Observation: Effervescence observed. A colourless and odorless gas evolved extinguishes lighted splint with a 'pop' sound.
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