Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Bacteria Turbidity All of these Colour Bacteria Turbidity All of these Colour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Parathion and Malathion are Tranquilisers Pesticides Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters Tranquilisers Pesticides Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -103 -53 -183 -196 -103 -53 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chrome tanning and vegetable tanning are done for Heavy & light leather respectively Neither light nor heavy leather Light & heavy leather respectively Both light & heavy leather Heavy & light leather respectively Neither light nor heavy leather Light & heavy leather respectively Both light & heavy leather ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Boiling of water containing temporary hardness produces CaHCO₃ None of these CO₂ CaSO₄ CaHCO₃ None of these CO₂ CaSO₄ 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) All of these Still in development stage (by employing fluidised bed technique) A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
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