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Why does exhaled air turn limewater colour?
Exhaled air turns limewater milky because it contains carbon dioxide, which reacts with calcium hydroxide in the limewater to form calcium carbonate, a white precipitate. This reaction is a demonstration of the presence of carbon dioxide in exhaled air.
Does limewater absorb CO2?
Yes, limewater (calcium hydroxide solution) reacts with CO2 in the air to form insoluble calcium carbonate, causing the limewater to turn milky or cloudy. This reaction is often used as a test for the presence of CO2.
Why does limewater go misty when it is blown into?
to check if exhaled air has more carbon dioxide
What can be observed when air is blown into limewater?
When air is blown into limewater, it turns milky white due to the formation of calcium carbonate. This happens because the carbon dioxide in the air reacts with the calcium hydroxide in limewater to form insoluble calcium carbonate, which gives the solution a milky appearance.
Why does exhaled air turn limewater chalky faster than inhaled water?
carbon dioxide turns lime water chalky. the more carbon dioxide, the faster the limewater turns chalky. Exhaled air contains carbon dioxide waste from the bodies organs, and that's why it contains more carbon dioxide than inhaled air.
Why will limewater turn colourless when after bubbling through it for too long?
Limewater (calcium hydroxide solution) turns colorless after bubbling through it for too long because it reacts with carbon dioxide in the air to form calcium carbonate, which is insoluble and precipitates out of the solution. This process reduces the concentration of calcium hydroxide in the limewater and causes it to lose its milky appearance.
What happens when exhaled air is bubbled into lime water?
When exhaled air is bubbled into lime water, the carbon dioxide in the exhaled air reacts with the calcium hydroxide in the lime water to form calcium carbonate, which causes the lime water to turn milky or cloudy. This is because carbon dioxide reacts with calcium hydroxide to produce calcium carbonate, water, and heat.
What will happen when you blow air through a test tube of limewater?
When you blow air through a test tube of limewater (a saturated solution of calcium hydroxide), the carbon dioxide (CO2) in your breath reacts with the calcium hydroxide to form calcium carbonate, which is insoluble in water. This reaction causes the limewater to turn milky or cloudy, indicating the presence of carbon dioxide. This phenomenon is often used as a simple test for CO2. Over time, the cloudiness may settle as the calcium carbonate precipitates out of the solution.
When you blow air into the lime water with a straw what is observed?
If you blow air into lime water with a straw, the lime water will turn milky due to the formation of calcium carbonate, which is insoluble and creates a precipitate. This reaction occurs as carbon dioxide in the exhaled air reacts with the calcium hydroxide in the lime water to form calcium carbonate.
Is carbon dioxide richer in exhaled or atmospheric air?
yes it is the inhaled air is 0.04 %, whereas, of the exhaled air is 4 % (100 times) more
Which air is heavier out of inhaled air and exhaled air?
Exhaled air, which has a slightly higher amount of carbon dioxide, is heavier than inhaled air.
Why fire increases on blowing exhaled air to coal chulla or bhatti while candle extinguish on blowing exhaled air?
When blowing on a fire it increase air flow. This in turn provides more oxygen which fires need to sustain themselves. In the case of candles, they are too small to handle the air flow.
