Chemistry Which of the following is a secondary pollutant ? PAN SO2 CO NO PAN SO2 CO NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Fluorine Nitrogen Oxygen Neon Fluorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 120 gms 12 gms 1.2 gms 0.12 gms 120 gms 12 gms 1.2 gms 0.12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 Dust particles Photochemical smog SO2 NO2 Dust particles Photochemical smog SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2,2-dimethyl hexane N-heptane 2-methyl heptane Iso-octane 2,2-dimethyl hexane N-heptane 2-methyl heptane Iso-octane ANSWER DOWNLOAD EXAMIANS APP
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