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प्रश्न
Potassium carbonate cannot be prepared by Solvay process. Why?
उत्तर
Solvay process cannot be used to prepare potassium carbonate. This is because unlike sodium bicarbonate, potassium bicarbonate is fairly soluble in water and does not precipitate out.
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संबंधित प्रश्न
Find the oxidation state of sodium in Na2O2.
Starting with sodium chloride how would you proceed to prepare sodium metal.
Describe two important uses of each of the following caustic soda.
Describe two important uses of the following sodium carbonate.
What happens when sodium metal is dropped in water?
What happens when sodium metal is heated in the free supply of air?
State as to why a solution of Na2CO3 is alkaline?
Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?
The formula of soda ash is ______.
A chemical A is used for the preparation of washing soda to recover ammonia. When CO2 is bubbled through an aqueous solution of A, the solution turns milky. It is used in whitewashing due to disinfectant nature. What is the chemical formula of A?
Complete the following reactions.
\[\ce{O^{2-}2 + H2O ->}\]
Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
Match the compounds given in Column I with their uses mentioned in Column II.
| Column I | Column II |
| (i) CaCO3 | (a) Dentistry, ornamental work |
| (ii) Ca(OH)2 | (b) Manufacture of sodium carbonate from caustic soda |
| (iii) CaO | (c) Most negative E value among alkali O metals. |
| (iv) CaSO4 | (c) Manufacture of high-quality paper |
| (d) Used in white washing |
\[\ce{NaOH}\] is manufactured by the electrolysis of brine solution. The products of the reaction are ______.
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in ______.
