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प्रश्न
Describe two important uses of the following sodium carbonate.
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उत्तर
Uses of sodium carbonate-
- It is generally used in glass and soap industry.
- It is used as a water softener.
संबंधित प्रश्न
Find the oxidation state of sodium in Na2O2.
Discuss the various reactions that occur in the Solvay process.
Starting with sodium chloride how would you proceed to prepare sodium metal.
Describe two important uses of each of the following caustic soda.
What happens when sodium metal is heated in the free supply of air?
State as to why a solution of Na2CO3 is alkaline?
Write a balanced equation for the reaction between Na2O2 and water.
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 ______.
Complete the following reactions.
\[\ce{O^{2-}2 + H2O ->}\]
Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
In the Solvay process, can we obtain sodium carbonate directly by treating the solution containing (NH4)2CO3 with sodium chloride? Explain.
Match the elements given in Column I with the colour they impart to the flame given in Column II.
| Column I | Column II |
| (i) Cs | (a) Apple green |
| (ii) Na | (b) Violet |
| (iii) K | (c) Brick red |
| (iv) Ca | (d) Yellow |
| (v) Sr | (e) Crimson red |
| vi) Ba | (f) Blue |
\[\ce{NaOH}\] is manufactured by the electrolysis of brine solution. The products of the reaction are ______.
Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in ______.
