Chemical Process Use of hydrated lime in water treatment All of these Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value All of these Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloral is used in the manufacture of BHC DDT Parathion None of these BHC DDT Parathion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Paper grade bamboo contains about __________ percent cellulose. 40 60 20 5 40 60 20 5 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 Unsaturated oils compared to saturated oils have Lower melting point & higher reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & lower reactivity to oxygen Higher melting point & higher reactivity to oxygen Lower melting point & higher reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & lower reactivity to oxygen Higher melting point & higher reactivity to oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon None of these Cannot yield textile grade fibre Cannot be made from sulphite pulp Utilises H₂SO₄, NaOH and CS₂ during its manufacture None of these Cannot yield textile grade fibre Cannot be made from sulphite pulp Utilises H₂SO₄, NaOH and CS₂ during its manufacture ANSWER DOWNLOAD EXAMIANS APP
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