Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Does not allow redeposition of dirt on the cleaned surface None of these Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Does not allow redeposition of dirt on the cleaned surface None of these Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ Both B and C C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Phosphates Sulphates Chromates Bi-carbonates Phosphates Sulphates Chromates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fatty material used in soap making is Detergents Tallow Fatty alcohols Fatty acid Detergents Tallow Fatty alcohols Fatty acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine is used in water treatment for the removal of Colloidal impurities Turbidity Chlorinous taste Dissolved oxygen Colloidal impurities Turbidity Chlorinous taste Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transparent soaps (e.g. Pears) are Metallic soaps with frothing agent from which glycerine has not been recovered Metallic soaps with frothing agent and free stearic acid to achieve transparency None of these Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered Metallic soaps with frothing agent and free stearic acid to achieve transparency None of these Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS