which gas is evolved when Zn granules are heated with conc sodium hydroxide solution?write word equation for the reaction that take place
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Answer:
which gas is evolved when Zn granules are heated with conc sodium hydroxide solution?write word equation for the reaction that take place
Explanation:
1 Answer. (a) When zinc granules are heated with sodium hydroxide solution, then sodium zincate salt and hydrogen gas are formed. (b) When bases react with non-metal oxides, then salt and water are formed. Example: Calcium hydroxide reacts with carbon dioxide to form calcium carbonate and water.
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Zn+ 2NaOH ➡ Na2ZnO2(concentrated)+H2(gas)
Na2ZnO2 is Sodium zincate.
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