Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethylene ethyl alcohol None of these vinyl chloride ethylene ethyl alcohol None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Reducing property Acidic property Basic property Oxidising property Reducing property Acidic property Basic property Oxidising property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Drying agent Delicious food Flavouring agent Moisturizer Drying agent Delicious food Flavouring agent Moisturizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 3.2 8.3 5.6 6.3 3.2 8.3 5.6 ANSWER DOWNLOAD EXAMIANS APP