Question

Law of conservation of mass

a.

ensures that number of atoms of elements before and after the reaction are same

b.

is important for strong Van der Waals' forces

c.

is important to increase the volatility of metals

d.

is important for melting and boiling points of metals only

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Answer: (a).ensures that number of atoms of elements before and after the reaction are same

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Q. Law of conservation of mass
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