Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.14 0.94 0.34 1.4 0.14 0.94 0.34 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Vanadium Iron Nickel Alumina Vanadium Iron Nickel Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Kopper-Totzek coal gasifier Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Is a moving bed reactor Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Is a moving bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most stable allotropic form of phosphorous is the __________ phosphorous. White Yellow Black Red White Yellow Black Red ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking powder None of these Washing soda Baking soda Baking powder None of these Washing soda Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of limestone and __________ produces high alumina cement. Sand Quicklime Calcite Bauxite Sand Quicklime Calcite Bauxite ANSWER DOWNLOAD EXAMIANS APP
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