Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Chlorine Lime Sodium bisulphite Sulphuric acid Chlorine Lime Sodium bisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromine content in sea water may be around __________ ppm. 70 640 1875 2500 70 640 1875 2500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used As a plasticiser for unsaturated polyster 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is All of these Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction All of these Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde is produced by condensation polymerisation. It is also known as Nylon-66 Teflon Polyester Bakelite Nylon-66 Teflon Polyester Bakelite ANSWER DOWNLOAD EXAMIANS APP
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