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How do you test for the presence of CO2 if the only apparatus you have are plain test tubes?
u can't
What is used to test for CO2?
Lime Water, if CO2 is present, then it should turn milky white :D xxx
Why freshly prepared lime water used in experiments to test evolution of CO2?
Freshly prepared lime water is used in the evperiment to test the presence of CO2 in water because lime water turns milky when CO2 is present in water.
How do you test water for carbonates?
Acidify it and look for evolved CO2.
What kind of test show CO2 production in respiration?
One way to show the presence of CO2 is to test lime water and see if it goes milky. A detailed description of the experiment is in related links.
What happens when you heat NaHC03 in a test tube?
It partially decomposes to Na2CO3, CO2 and H2O according to: 2NaHCO3 --> Na2CO3 + CO2 + H2O
How much to hydro test a co2 tank?
In the area of $20-$40
What type of test can be used to identify calcium carbonate?
add hcl bubbles of co2 produced and flame test
High CO2 Count in a blood test?
at a co2 of 100 or so the person will be confused and sleepy. The lungs taking in the oxygen are not exhaling forcefully enough to expel the co2. This is usually due to lung problems such as COPD
What gas is collected when a uninflated balloon is placed round a test tube of yeast?
CO2.
Heat CuCO3 in test tube and put the end of the tube from the test tube in limewater. what is the substance left in the test tube with the CuCO3?
CuCO3 is copper(II) carbonate. Copper(II) carbonate decomposes at 290°C. This decomposition forms Copper(II) oxide (CuO) and carbon dioxide (CO2). CO2 and lime water (Ca(OH)2) will react to form calcium carbonate (CaCO3) and water (H2O). However, if CO2 is in excess, calcium bicarbonate Ca(HCO3)2 is formed. So, the following reactions take place:Decomposition at 290°C:CuCO3 → CuO + CO2In the test tube with lime water:Ca(OH)2 + CO2 → CaCO3 + H2OIf excess CO2 is added:CaCO3 + H2O+ CO2 --> Ca(HCO3)2
How do you test if the liquid is lime water?
Lime water turns milky when CO2 (carbon dioxide) is passed thru it. So to test if a given liquid is lime water, then pass CO2 thru it, if it turns milky, d liquid is lime water...
