Chemical Process Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda? High cost of mercury High specific gravity of mercury Pollution of water stream by mercury Non-availability of high purity mercury High cost of mercury High specific gravity of mercury Pollution of water stream by mercury Non-availability of high purity mercury ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used To produce benzene To produce phenol formaldehyde To produce polyester resin As a plasticiser for unsaturated polyster To produce benzene To produce phenol formaldehyde To produce polyester resin As a plasticiser for unsaturated polyster ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of maleic anhydride is Benzene Neither A nor B Either A or B N-butene Benzene Neither A nor B Either A or B N-butene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Adding alum All of these Simply boiling Passing it through cation & anion exchangers Adding alum All of these Simply boiling Passing it through cation & anion exchangers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The type of high refractive index glass used in optical instruments is __________ glass. Flint Crookes Pyrex None of these Flint Crookes Pyrex None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Lime Sodium bisulphite Chlorine Sulphuric acid Lime Sodium bisulphite Chlorine ANSWER DOWNLOAD EXAMIANS APP
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