Chemical Process Systemic insecticides Are stomach poisons Emit poisonous vapour Kill insects following external bodily contact Are absorbed throughout the plant Are stomach poisons Emit poisonous vapour Kill insects following external bodily contact Are absorbed throughout the plant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO +1/2O₂ = CO₂ CO + 3H₂ = CH₄ + H₂O CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO +1/2O₂ = CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In Kraft process of paper manufacture, white cooking liquor consists of caustic soda Sodium sulphite & sodium carbonate None of these Sodium sulphide & sodium carbonate Sodium sulphite & sodium sulphide Sodium sulphite & sodium carbonate None of these Sodium sulphide & sodium carbonate Sodium sulphite & sodium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is SO₂ gas Chlorine dioxide (ClO₂) Mercaptans MgO SO₂ gas Chlorine dioxide (ClO₂) Mercaptans MgO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved oxygen Suspended salt Silica Dissolved salt Dissolved oxygen Suspended salt Silica Dissolved salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Celluloid is chemically Regenerated cellulose Cellulose acetate butyrate Cellulose nitrate Cellulose acetate Regenerated cellulose Cellulose acetate butyrate Cellulose nitrate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
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