Q. Isotopes present in nature are

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Q. Relationships which can be studied by stoichiometry are

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Q. A macromolecule found in blood is

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Q. Ascorbic acid is another name for vitamin

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Q. Ions having positive charges are

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Q. Mass of one mole of water molecule is

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Q. Number of isotopes which oxygen atom has, are

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Q. C₃H₄O₃ is empirical formula for vitamin

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Q. Moleis defined as mass of an element divided by

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Q. Ordinary microscope can measure up to

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Q. Molecules expressed by formula unit mass are

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Q. Positive ion formation is

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Q. Modern method for separation of isotopes is

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Q. Formation of negative ion is

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Q. In new spectrometers each ion hits a

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Q. Reactant which controls amount of products is

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Q. Formula showing simplest whole number ratio is

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Q. Number of isotopes occupied by Palladium is

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Q. Amount of KOH used in combustion analysis is

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Q. Number of radioactive isotopes is

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