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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE (FILL IN THE BLANKS)
- The number of significant figures in 2.500 is.
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- The law of multiple proportion was postulated by .
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- 1L=dm^(3).
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- Dalton's atomic theory can not explain the law of .
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- The sum of 2.3 and 6.54 should be reported as.
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- Quinine is andrug.
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- Cu(1.7)S is acompound.
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- The atomicity of ozone molecular is.
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- Molecular mass of helium=xxrelative density.
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- mass of sodium chloride is 58.45.
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- 1 millimole=mole.
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- Mass of 1 gram-atom of oxygen isg.
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- Physical scale of atomic mass was proposed by-.
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- Mass of atom (s) of nitrogen is 14 amu.
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- Molecular mass of heavy water is .
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- The equivalent mass of copper in CuO is.
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- Equivalent mass of an element varies with its velency.
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- Law of isomorphism was postulated by.
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- The empirical formula of glucose is.
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- The S.I. unit of molar concentration is.
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