Chemical Process Which of the following is an endothermic reaction? C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Both B and C Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Both B and C Absorption of SO₃ in 98% H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid saturated with SO₃ is called Oleum None of these Concentrated H₂SO₄ Sulphurous acid Oleum None of these Concentrated H₂SO₄ Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 15 70 35 55 15 70 35 55 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which allotrope of sulphur is insoluble in carbon disulphide? Plastic sulphur Milk of sulphur Monoclinic sulphur Rhombic sulphur Plastic sulphur Milk of sulphur Monoclinic sulphur Rhombic sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses Sulphur Charcoal All of these Potassium nitrate Sulphur Charcoal All of these Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to the soap manufacture. Colourless rosin is used in the manufacture of laundary soaps Transparent soaps are made by cold process Organic pigments are used as colouring materials in the soap manufacture Both laundary as well as toilet soaps are manufactured by hot process Colourless rosin is used in the manufacture of laundary soaps Transparent soaps are made by cold process Organic pigments are used as colouring materials in the soap manufacture Both laundary as well as toilet soaps are manufactured by hot process ANSWER DOWNLOAD EXAMIANS APP
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