Q. The substances which are the basis of human life on earth are

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Q. For complex molecules, a chemist usually represents a molecule by

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Q. The element that is the backbone of organic molecules is

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Q. The most simplified version of the displayed formula is called

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Q. The actual numbers of every type of molecule which is present in a compound are represented by

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Q. The relative formula C₃H₆ is of molecule

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Q. The compounds which contain oxides of carbon or carbonate hydrogen carbonate ions are called

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Q. The empirical formula for propane is

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Q. The compounds which only contain carbon and hydrogen are termed as

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Q. Atoms bonded to each carbon atom in a molecule can be determined by

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Q. The number or organic compounds known today is above

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Q. The least detail of simplest ratio of different types of atoms in a molecule is represented in

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Q. Relative molecular mass for propene (C₃H₆) is

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Q. The indicator used in the Mohr's method is

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Q. The method that is not applicable for protection against rust is

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Q. It is a type of volumetric analysis that depends on the formation of precipitates

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Q. In gas, chromatography gas is used to move a gaseous mixture through a column of absorbent material.

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Q. The standard solution in titration in Mohr's method is

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Q. The most important precipitating agent used in precipitation titration is

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Q. The types of volumetric analysis are

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