ডাকাতের মায়ের চরিএ বর্ননাকররো?
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Explanation:
If percentage purity of sample is 80%,then the mass of Hg obtained is(atomic mass of Hg=200) Answer: Mass of Hg obtained is 32 g
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hlo
gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
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