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Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used?
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Water is added to quick lime . The suspension is filtered. Carbon diox...
We will observe that the color of the solution changes to white or milky. If CO2 is kept on passing, then he color will change back to normal.
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Water is added to quick lime . The suspension is filtered. Carbon diox...
Reaction of Water with Quick Lime:
When water is added to quicklime (calcium oxide), a highly exothermic reaction takes place to form calcium hydroxide according to the equation: CaO + H2O → Ca(OH)2.
Passing Carbon Dioxide:
When carbon dioxide is passed through the filtrate of calcium hydroxide, it forms calcium carbonate and water according to the equation: Ca(OH)2 + CO2 → CaCO3 + H2O.
Observations:
- Initially, the addition of water to quicklime results in the formation of a white suspension (calcium hydroxide).
- Upon filtration, a clear solution of calcium hydroxide is obtained.
- When carbon dioxide is passed through the solution, a white precipitate of calcium carbonate is formed, which is insoluble in water.
Purpose of the Test:
This test is used to confirm the presence of calcium ions in a solution. The formation of a white precipitate of calcium carbonate upon passing carbon dioxide through the filtrate indicates the presence of calcium ions, as calcium carbonate is insoluble in water. This test is commonly used in qualitative analysis to identify the presence of calcium in a given sample.
When water is added to quicklime (calcium oxide), a highly exothermic reaction takes place to form calcium hydroxide according to the equation: CaO + H2O → Ca(OH)2.
Passing Carbon Dioxide:
When carbon dioxide is passed through the filtrate of calcium hydroxide, it forms calcium carbonate and water according to the equation: Ca(OH)2 + CO2 → CaCO3 + H2O.
Observations:
- Initially, the addition of water to quicklime results in the formation of a white suspension (calcium hydroxide).
- Upon filtration, a clear solution of calcium hydroxide is obtained.
- When carbon dioxide is passed through the solution, a white precipitate of calcium carbonate is formed, which is insoluble in water.
Purpose of the Test:
This test is used to confirm the presence of calcium ions in a solution. The formation of a white precipitate of calcium carbonate upon passing carbon dioxide through the filtrate indicates the presence of calcium ions, as calcium carbonate is insoluble in water. This test is commonly used in qualitative analysis to identify the presence of calcium in a given sample.
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Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used?
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Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used?.
Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Water is added to quick lime . The suspension is filtered. Carbon dioxide is passed through the filtrate what changes? Will you observe during different stages what for is this test used?.
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