Chemical Process Salt cake is chemically represented by BaSO₄ Na₂SO₄ CaSO₄.1/2 H₂O MgSO₄ BaSO₄ Na₂SO₄ CaSO₄.1/2 H₂O MgSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromine content in sea water may be around __________ ppm. 640 2500 70 1875 640 2500 70 1875 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon 66 is so named because the Polymer was first synthesised in 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 Average degree of polymerisation of the polymer is 1966 Polymer was first synthesised in 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 Average degree of polymerisation of the polymer is 1966 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent. 98 100 80 90 98 100 80 90 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 The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 1600 4000 8500 800 1600 4000 8500 ANSWER DOWNLOAD EXAMIANS APP
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