Q. In most of the organic compounds, the group found is

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Q. Chlorobenzene is one of

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Q. Vanillin is used to give flavor in

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Q. π-bonds in benzene spread over all six carbons, hence they are called

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Q. Organic compounds which contain one more than one benzene rings are termed as

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Q. In a benzene molecule, each carbon atom shares one pair of electrons to

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Q. Decolourization of bromine water will occur, on mixing it with

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Q. The formula of benzene is

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Q. Vanillin is found in seed pods of

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Q. Six carbon atoms bonded together in a particular way making hexagon reflects a

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Q. The number of sigma bonds in benzene is

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Q. The compounds which are made up of benzene are known as

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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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