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प्रश्न
What happens when sodium metal is heated in the free supply of air?
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उत्तर
On being heated in air, sodium reacts vigorously with oxygen to form sodium peroxide. The chemical equation involved in the reaction is:
\[\ce{2Na_{(s)} + O_{2(s)} -> Na_2O_{2(s)}}\]
संबंधित प्रश्न
Discuss the various reactions that occur in the Solvay process.
Potassium carbonate cannot be prepared by Solvay process. Why?
Write a balanced equation for the reaction between Na2O2 and water.
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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?
In the Solvay process, can we obtain sodium carbonate directly by treating the solution containing (NH4)2CO3 with sodium chloride? Explain.
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 ______.
Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?
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Which sodium salt will be heated with soda lime to obtain propane?
