Chemical Process Reaction of calcium carbide with water produces a gas, which is used For metal cutting/welding Neither A nor B As an illuminant Both A & B For metal cutting/welding Neither A nor B As an illuminant Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon disulphide is mainly used in the production of Paints Corundum Viscose rayon Plasticiser for unsaturated polyester Paints Corundum Viscose rayon Plasticiser for unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene In presence of sunlight Which is a substitution reaction Which is an addition reaction In absolute dark In presence of sunlight Which is a substitution reaction Which is an addition reaction In absolute dark ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Application of activated carbon reduces the temporary hardness of water Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely 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 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 All of these Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. -183 -196 -83 -218 -183 -196 -83 -218 ANSWER DOWNLOAD EXAMIANS APP
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