Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Barium Sodium Strontium Calcium Barium Sodium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Formaldehyde Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde Cinnaldehyde Benzaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic A disinfectant A fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewage Sewer Scum Sludge Sewage Sewer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Chlorine Methyl isocyanate Carbon monoxide Phosgene Chlorine Methyl isocyanate Carbon monoxide Phosgene ANSWER DOWNLOAD EXAMIANS APP
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