Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium tripolyphosphate (STPP) Sodium borate Sodium silicate Caustic soda Sodium tripolyphosphate (STPP) Sodium borate Sodium silicate Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? 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 Both B and C C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is None of these Dilute H₂SO₄ Ultraviolet light Oleum None of these Dilute H₂SO₄ Ultraviolet light Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 750°C 1000°C 1500°C 500°C 750°C 1000°C 1500°C 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials used for producing __________ cement does not contain iron oxide. Waterproof Pozzolan White Slag Waterproof Pozzolan White Slag ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rancidity of the fatty oil can be reduced by its Oxidation Hydrogenation Decoloration Purification Oxidation Hydrogenation Decoloration Purification ANSWER DOWNLOAD EXAMIANS APP
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