Carbon: An Important Element — Science STD 9 — Question
Maharashtra BoardEnglish MediumSTD 9ScienceCarbon: An Important Element5 Marks
Question
How will you verify the properties of carbon dioxide?
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Answer
When a burning candle is placed in a gas jar of carbon dioxide, it extinguishes indicating that carbon dioxide is a non-combustible gas and does not support combustion.
When carbon dioxide gas is passed through lime water, it turns lime water milky due to the formation of insoluble calcium carbonate.
Moist blue litmus turns red in a gas jar of carbon dioxide indicating, it is acidic in nature.
Carbon dioxide is fairly soluble in water, it dissolves in water forming carbonic acid.
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