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प्रश्न
Write a balanced equation for the reaction between Na2O2 and water.
उत्तर
The balanced chemical equation for the reaction between Na2O2 and water is:
\[\ce{2Na_2O_{2(s)} + 2H_2O_{(l)} -> 4NaOH_{(aq)} + O_{2(aq)}}\]
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संबंधित प्रश्न
Find the oxidation state of sodium in Na2O2.
Potassium carbonate cannot be prepared by Solvay process. Why?
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Describe two important uses of each of the following caustic soda.
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What happens when sodium metal is heated in the free supply of air?
State as to why a solution of Na2CO3 is alkaline?
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(i) H+ ions
(ii) Mg2+ ions
(iii) Ca2+ ions
(iv) \[\ce{SO^{2-}4}\] ions
Complete the following reactions.
\[\ce{O^{2-}2 + H2O ->}\]
Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
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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 |
Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?
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