Chemical Process Viscose rayon Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre Cannot be made from sulphite pulp None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre Cannot be made from sulphite pulp None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main component of pyrex glass is Zinc Celenium Boron Lead Zinc Celenium Boron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electric bulbs are made of __________ glass. Crookes Flint Pyrex Jena Crookes Flint Pyrex Jena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A substance produced by a living organism and capable of anti-microbial activity is called a/an Antiseptic Antibiotic None of these Disinfectant Antiseptic Antibiotic None of these Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil does not Improve its resistance to oxidation Remove double bonds None of these Raise its melting point Improve its resistance to oxidation Remove double bonds None of these Raise its melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Filtration (through gravity sand filter) Boiling Addition of lime Addition of alum (a coagulant) Filtration (through gravity sand filter) Boiling Addition of lime ANSWER DOWNLOAD EXAMIANS APP