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it is the decomposition reaction, CaCO3 = CaO + CO2
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When sugar is heated what happen to limewater?
No reaction takes place
When limestone is added to lakes why is it powdered?
Limestone is an alkali and will therefore react with the acid in the lake, thereby reducing the acidity.
What are the steps that must take place before an ore can be made into a product?
It has to be heated and u know whatever
What is the process which takes place when ammonium chloride is heated slowly?
Thermal dissociation, with the formation of ammonia and hydrochloric acid.
What process is taking place in this diagram?
protein synthesis
What is the chemical change takes place when limestone is heated strongly?
This is a thermal decoposition: CaCO3 --------CaO + CO2
How can you turn limestone to cement?
Powdered limestone has to be heated with powdered clay to turn it into to cement. You can then use cement and powder it, then mix with water, sand crushed rock and a slow reaction takes place forming concrete. It is in the Cors Science GCSE
What do you see when limestone is heated very strongly?
simply it breaks out due to forming of carbon dioxide in the gaps if it takes place in an close atmosphere with high pressure than turns into marble.
What changes takes place when water is heated or cooled?
what changes take place when water is heated or cooled
How do limestone absorb carbon dioxide?
yes it does. it absorbs lots of the stuff.. it very usefull it made out of crushed up sea shell carbon dioxide a colourless gas and can be tested by bubbling it through lime water.
What are clues that a chemical reaction has taken place A Formation of a gas B Constant temperature C Steam D Change in color?
Hugh G. Rection
What chemical reaction takes place between ice and salt mixture?
None. The ice might melt and dissolve some of the salt, but that's not a chemical rection.
Which Place did sandstone and limestone come from in ancient Egypt?
From Sudan
Processwhen powered limestone reacts with acid in lakes?
exothermic process takes place when powdered limestone reacts with acid in lakes.
What changes take when water is heated or cooled?
what changes take place when water is heated or cooled
Where does weathering take place the most?
Limestone in a warm wet climate.
What is taking place in a distillation?
What is taking place in a distiallation?
