Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Prevent deterioration on storage Produce long fibres Remove lignin None of these Prevent deterioration on storage Produce long fibres Remove lignin None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is Mercaptans Chlorine dioxide (ClO₂) MgO SO₂ gas Mercaptans Chlorine dioxide (ClO₂) MgO SO₂ gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Gives higher conversion efficiency All of these Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Gives higher conversion efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The ideal pulp for the manufacture of paper should have high __________ content. Lignin Cellulose None of these Both A & B Lignin Cellulose None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance. Pyrex Flint Potash Soda Pyrex Flint Potash Soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid is mainly used in the __________ industry. Fertiliser Steel Paint Paper Fertiliser Steel Paint Paper ANSWER DOWNLOAD EXAMIANS APP
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