Chemist prefer to use kipp’s apparatus for the production of hydrogen sulphide instead of woulf’s bottle because they produce gas without generating heat.
Kipp's appratus and woulf's bottle both are the laborartory appratus and used in the analytical process of any reactions.
Hydrogen sulphide gas will be produced in the laborartory by using both given appratus but we prefer the use of kipp's apparatus because in this apparatus small amount of gas is produced in the controlled heat condition by the reaction between the liquid sulphuric acid and solid iron sulphide.
Hence we prefer kipp's appratus as it produces gas without heat.
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