Lab: Identifying Mystery Gases
Name: _____________________________
Complete the following table by recording the results of the various tests and identifying
the gas produced for each part.
Chemicals
Mixed
Part 1
Burning
Splint Test
Glowing
Splint Test
Limewater
Test
Candle Test
Identity of Gas
(CO2, H2, or O2)
hydrogen
peroxide
and
manganese
dioxide
Part 2
magnesium
and
hydrochloric
acid
Part 3
baking soda
and
vinegar
Complete the following paragraph by filling in the blanks using the words in the word box.
All these gases are _______________, odourless, and tasteless. Oxygen supports
_______________, hydrogen is _______________, and carbon dioxide
_______________ a flame and reacts with _______________ (calcium hydroxide
solution) to form a white _______________.
Word Box:
precipitate
flammable
colourless
limewater
combustion
extinguishes