Question

2. Which of the following is a displacement reaction?
(a) H2 + Br2 ----》2HBr
(b) CaCO3 ----》 CaO + CO2
(c) 2K + 2H20 ----》 2KOH + H2
(d) MgO + H2O ----》Mg(OH)2​

Answer 1

The Answer is (c)

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Answer 2

2. Which of the following is a displacement reaction?

(a) H2 + Br2 ----》2HBr

(b) CaCO3 ----》 CaO + CO2

(c) 2K + 2H20 ----》 2KOH + H2✔

(d) MgO + H2O ----》Mg(OH)2