Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene Which is a substitution reaction In presence of sunlight In absolute dark Which is an addition reaction Which is a substitution reaction In presence of sunlight In absolute dark Which is an addition reaction 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 Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of Hydration of fibres Fibrillation of fibre Cutting of fibres Final rolling out of paper Hydration of fibres Fibrillation of fibre Cutting of fibres Final rolling out of paper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by MgSO₄ BaSO₄ CaSO₄.1/2 H₂O Na₂SO₄ MgSO₄ BaSO₄ CaSO₄.1/2 H₂O Na₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Phosphates Bi-carbonates Chromates Sulphates Phosphates Bi-carbonates Chromates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In sulphate pulp manufacture, the pressure and temperature in the digestor is 10 atm., 800 °C 10 atm., 170-180°C 1 atm., 170 - 180°C L atm., 800°C 10 atm., 800 °C 10 atm., 170-180°C 1 atm., 170 - 180°C L atm., 800°C ANSWER DOWNLOAD EXAMIANS APP