Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value Before filtration, reduces the bacterial load on filters All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value Before filtration, reduces the bacterial load on filters All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Litharge is Zinc sulphide Zinc oxide Cellulosic photographic material Lead oxide Zinc sulphide Zinc oxide Cellulosic photographic material Lead oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if The metal present in it is costly It contains ≥ 40% metal All of these A metal can be economically extracted from it The metal present in it is costly It contains ≥ 40% metal All of these A metal can be economically extracted from it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene is produced from ethyl benzene by the process of Alkylation Oxidation Dehydrogenation Dehydration Alkylation Oxidation Dehydrogenation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have Low co-efficient of thermal expansion Sharp melting points High electrical insulation properties Compressive strength much greater than their tensile strengths Low co-efficient of thermal expansion Sharp melting points High electrical insulation properties Compressive strength much greater than their tensile strengths ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
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