Q. The simplest arenes is

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Q. The ratio of hydrogen to oxygen in a water molecule is equal to

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Q. The molecular formula of different compounds shows actual numbers of

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Q. Two Greek words 'element' and 'measure' constitutes the word

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Q. The percentage by mass of any element is calculated with the help of

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Q. The mass of each element in a compound helps in determining

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Q. The formula of an ionic compound by rule is always its

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Q. On reduction of 798g of iron oxide by profound carbon monoxide, will release a mass of iron equal to

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Q. There is often a difference in the empirical and molecular formula of

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Q. The simplest whole-number ratio which is representing 1 molecule is called

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Q. To determine the mass of product one must use the

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Q. The stoichiometry of the equation is defined as the mole ratio of

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Q. The molecular formula helps in

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Q. The purification of compounds is usually done by chemists for formula analysis by the process of

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Q. In case of organic compound's empirical formula, it should be

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Q. Magnesium (Mg) burns in oxygen (O₂) to form

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Q. The simple molecular structure is of

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Q. The formation of a single product from two reactant molecules is known as

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Q. The reaction in which replacement of one atom or group of atoms are involved is termed as

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Q. Breakdown of any molecule with water (H₂O) in any reaction is

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