Chemical Process Which of the following is not a pyrite ore? Celestite Siderite Galena Gypsum Celestite Siderite Galena Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature None of these It decomposes on further increasing the temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature None of these It decomposes on further increasing the temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fumigant insecticides Emit poisonous vapour Are absorbed throughout the plant None of these Kill insects, when they eat it Emit poisonous vapour Are absorbed throughout the plant None of these Kill insects, when they eat it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Does not allow redeposition of dirt on the cleaned surface Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these Does not allow redeposition of dirt on the cleaned surface Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which one of the following is not an elastomer? Polyisoperene Nitrile-butadiene Neoprene None of these Polyisoperene Nitrile-butadiene Neoprene None of these ANSWER DOWNLOAD EXAMIANS APP
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