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In the main the gas released is Sulphur and Carbon monoxide and this is filtered out by the Calcium

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Q: Why are waste gasses from coal-fired power stations passed through calcium carbonate?
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What happened when soluble carbonate is passed through soluble calcium salt?

the precipitate calcium carbonate (CaCO3) is formed


What you see when carbon dioxide is bubbled through calcium hydroxide solution?

You will see a preciptate of Calcium Carbonate [CaCO3] The Calcium Hydroxied is said to turn 'Milky' or 'Chalky' The chalkyness so described is the water insoluble Calcium Carbonate being deposited as it is formed.


How calcium carbonate can be removed from the mixture?

Calcium carbonate can be removed from a mixture by using a process called filtration or decantation. In filtration, the mixture is passed through a filter paper, which allows the liquid to pass through while retaining the solid calcium carbonate. In decantation, the mixture is left undisturbed to allow the solid calcium carbonate to settle at the bottom, and the liquid can then be carefully poured off.


How do you know if chalk contains calcium carbonate?

Through chemical analysis of a piece of chalk!


When carbon iv oxide is bubbled through calcium hydroxide what is the white precipitate formed?

The precipitate formed is Calcium Carbonate (CaCO3).


How are the curtains in caves formed?

Curtains are formed when water containing calcium carbonate drips slowly through the joints and bedding planes of the limestone and comes out through a long crack in the ceiling of the cave . The water evaporates, leaving the calcium carbonate behind .


What is the compound formed when carbon dioxide is bubbled through limewater?

Calcium carbonate, formula of this: CaCO3


Why water is turned milky when it is passed through carbon dioxide?

A precipitate of calcium carbonate is formed.


How do you test presence of carbon dioxide?

Bubble the gas through limewater (calcium hydroxide), and then a white precipitate is formed, which is actually calcium carbonate.


What does Calcium Carbonate produce after going through a decomposition reaction?

The products are calcium oxide and carbon dioxide The equation: CaCO3 -> CaO + CO2


What happens when excess of CO2 is passed through lime vessel?

If you think to calcium hydroxide, after the reaction with carbon dioxide calcium carbonate (CaCO3) is obtained.


When solution x is added to calcuim carbonate bubbles of gas can be seen. The lime-water becomes chalky when this gas is bubbled through it. Can you deduce what x is?

X is an acid. The acid reacts with Calcium Carbonate producing carbon dioxide. When this is bubbled through limewater, it produces a fine calcium carbonate precipitate giving a milky appearance to the limewater.