Which of the following is a suitable example for illustrating the law of conservation of mass? (Atomic mass of $O = 16; H = 1$ )

18

g of water is formed by the combination of

16

g oxygen with

2 g

of hydrogen

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18 g

of water in liquid state is obtained by heating

18

g of ice

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18

g of water is completely converted into vapour state n heating

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18

g of water freezes at

4^{o}

C to give same mass of ice

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Solution

The correct option is A $18$ g of water is formed by the combination of $16$ g oxygen with $2 g$ of hydrogen
The following is a suitable example for illustrating the law of conservation of mass .
18 g of water is formed by the combination of 16g oxygen with 2g of hydrogen.
According to the law of conservation of mass, the sum of the masses of reactants is equal to the sum of the masses of products.
Sum of the masses of reactants $=$ 16g oxygen with 2g of hydrogen $=$ 18 g
The sum of the masses of products 18 g of water.

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Which of the following is a suitable example for illustrating the law of conservation of mass? (Atomic mass of O=16;H=1)

Which of the following is a suitable example for illustrating the law of conservation of mass? (Atomic mass of $O = 16; H = 1$ )