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LIST-I LIST-II
A) Law of conservation of mass (i) V₁/V₂ = n₁/n₂
B) Avogadro’s Law (ii) 2H_2(s) + O_2(g) → 2H₂O_(s)
C) Gay-Lussac’s Law of combining volumes (iii) 12g of C + 32g of O₂ = 44g CO₂
D) Law of conservation of energy (iv) H_2(g) + Cl_2(g) → 2HCl_(g)
(v) H_2(g) + Cl_2(g) → 2HCl_(g), Δ H=–184.6k.J
The correct match is
A B C D
1 iii i iv v
2 iii i v iv
3 iii i ii v
4 i ii iv v

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answer is A.

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Detailed Solution

Laws of chemical combinations.

(A) Total mass of reactants=Total mass of products

(B) At constant P and T , $V \propto n$ .

(C) The ratio of the volumes of gases consumed or produced in a chemical reaction is equal to the ratio of simple whole numbers.

(D) The amount of energy is neither created nor destroyed

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