Question

Straight Objective Type Questions
List-1
A) Law of conservation of mass
B) Avogadro's Law
C) Gay-Lussac's Law of combining volumes
D) Law of conservation of energy
List-II
1) V/V2 = n,/n
2) 2H26) + O2(g) → 2H2O(s)
3) 12g of C + 32g of O2 = 44g CO2
4) H2(g) + Cl2(8) → 2HCI)
+ Cl2(g) → 2HCl(Q), AH=184.6k.)
5) H28)
D
The correct match is
A B C D
1) 3 1 4 5
3) 3 1 2 5
A
2) 3
4) 1
В С
1 5
2 4
4
5​

Answer 1

Explanation:

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.