Which among the following is a displacement reaction-a H 2 SO 4- Mg - H 2- MgSO 4b CaCO 3- CaO - CO 2c 2 H 2- O 2- 2 H 2 Od CuSO 4- 5 H 2 O - CuSO 4-5 H 2 O

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Physical Changes and Its Characteristics

Which among t...

Question

Which among the following is a displacement reaction?
(a) H₂SO₄ + Mg ⟶ H₂ + MgSO₄
(b) CaCO₃ ⟶ CaO + CO₂
(c) 2H₂ + O₂ ⟶ 2H₂O
(d) CuSO₄.5H₂O ⟶ CuSO₄ + 5H₂O

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Which of the following are the products formed on heating $C u S O_{4} . 5 H_{2} O (s)$ ?

C u {S O}_{4} \cdot 5 H_{2} O (s) ⇌ C u {S O}_{4} \cdot 3 H_{2} O (s) + 2 H_{2} O (g)

{C u S O}_{4} \cdot 5 H_{2} O (s) ⇌ {C u S O}_{4} \cdot {3 H}_{2} O (s) + {2 H}_{2} O (l) K_{p} = 1.086 \times 10^{- 4} {a t m}^{2} a t 25^{o} C

{C u S O}_{4} \cdot {5 H}_{2} O

H_{2} O

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