Which of the following is an example of double displacement reaction? – InterviewSolution

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1.	Which of the following is an example of double displacement reaction? (i) CO2(g)+H2(g)→CO(g)+H2O(g) (ii) P4O10(s)+6H2O(l)→4H3PO4(aq) (iii) H2+O2→H2O (iv) CaCl2(aq)+Na2CO3(aq)→CaCO3(aq)+2NaCl(aq)
Answer» Which of the following is an example of double displacement reaction? (i) $C O_{2} (g) + H_{2} (g) \to C O (g) + H_{2} O (g)$ (ii) $P_{4} O_{10} (s) + 6 H_{2} O (l) \to 4 H_{3} P O_{4} (a q)$ (iii) $H_{2} + O_{2} \to H_{2} O$ (iv) $C a C l_{2} (a q) + N a_{2} C O_{3} (a q) \to C a C O_{3} (a q) + 2 N a C l (a q)$

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