Which of the following are non-metal displacement reactions? (A) Ca_(s) + 2H_2O_(l) → Ca(OH)_{2(aq)} + H_{2(g)} (B) V_2O_5_(s) + 5Ca_(s) \to^{\Delta} 2V_(s) + 5CaO_(s) (C) 2Fe_(s) + 3H_2O_(l) \to^{\Delta} Fe_2O_{3(s)} + 3H_{2(g)} (D) Cr_2O_{3(s)} + 2Al_(s) \to^{\Delta} Al_2O_{3(s)} + 2Cr_(s)

AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

Section: Chemistry

Question : 127 of 160

Marks: +1, -0

Which of the following are non-metal displacement reactions?
(A) Ca(s) + 2H2O(l) → Ca(OH)2(aq) + H2(g)
(B) V2O5(s)+5Ca(s)

→

2V(s)+5CaO(s)
(C) 2Fe(s)+3H2O(l)

→

Fe2O3(s)+3H2(g)
(D) Cr2O3(s)+2Al(s)

→

Al2O3(s)+2Cr(s)

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