Q. Hydrogen bromide have comparatively more resistant to decomposition than

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Q. Compounds which contain Cl⁻, Br⁻, and I⁻ will always react with

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Q. The smallest element in Group-VII is

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Q. Chlorine water added to sodium bromide will change its color to

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Q. A gas which has a strong foul smell of bad eggs is

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Q. Halogens are themselves reduced hence they are

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Q. A more reactive halogen can displace a less reactive halogen from a halide solution of the less reactive

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Q. Bromine (Br₂) is released during reactions as

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Q. To verify halide test ammonia is added which gives off ions with

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Q. HClO is known as

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Q. A small amount of chlorine added to water can

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Q. The mixture which contains equal amount of sodium chloride (NaCl) and sodium chlorate (NaClO₃) gives off

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Q. Organic compounds which contains halogens is

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Q. The enthalpy changes which cannot be found by calorimeter can be found by the help of

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Q. The application of Law of Thermodynamics to the enthalpy changes was done by

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Q. Hess's law states that a chemical reaction is independent of the route by which chemical reactions takes place while keeping the same

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Q. The first law of thermodynamics states that energy can not be

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Q. Bhaskara suggested perpetual motion by explaining a wheel could run

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Q. Blue cheese has smell because of ketone

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Q. The carbonyl group in aldehyde is

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