Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/4 1/6 1/3 1/8 1/4 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Heterogeneous Both A and B Homogeneous Pure substance Heterogeneous Both A and B Homogeneous Pure substance ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Methyl isocyanate Phosgene Chlorine Carbon monoxide Methyl isocyanate Phosgene Chlorine Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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