PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Give brief answers to the following questions:
 
1. Can we separate alcohol dissolved in water by using a separating funnel?
If yes, then describe the procedure. If not, explain.
 
It is  to separate a mixture of alcohol and water by using a separating funnel because these are not immiscible liquids. The process of can separate the mixture of alcohol and water.

2. On heating, calcium carbonate gets converted into calcium oxide and carbon dioxide.
(a). Is this a physical or a chemical change?
(b). Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved.
 
(a). .
(b). Acidic and basic solutions can be prepared by  the products of the above process in water.
\(CaO\) + \(H_2O\) → \(Ca(OH)_2\) (basic solution)
\(CO_2\) + \(H_2O\) → \(H_2CO_3\) (acidic solution)