Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction None of these Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 50 138 314 88 50 138 314 88 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Phthalic acid Salicylic acid Benzoic Acid Terephthalic acid Phthalic acid Salicylic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Zero Constant Increasing Decreasing Zero Constant Increasing Decreasing ANSWER DOWNLOAD EXAMIANS APP
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