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yellow
pH 5.6
It is a substance to test how much carbon dioxide is present in air.
It turns the universal indicator red
It turns the universal indicator purple or blue.
yellow
blue
if oxygen present the colour of bicarbonate indicator will change to brown like in my experiment,i think it's not fully successful but not dissapoint me.
pH 5.6
Carbon Dioxide (Co2) Someone breathing through it also works and the exhaled air contains traces of Co2
It is a substance to test how much carbon dioxide is present in air.
Sodium bicarbonate increases the pH of water.
Baking soda is sodium bicarbonate or sodium hydrogen carbonate It is alkaline and will therefore turn universal indicator purple or blue
there is no effect
It turns the universal indicator red
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It turns the universal indicator purple or blue.