Chemistry Ozone layer is present in Exosphere Ionosphere Stratosphere Troposphere Exosphere Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Heterogeneous Both A and B Pure substance Homogeneous Heterogeneous Both A and B Pure substance Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Calcium carbide Calcium oxide Silicon carbide Silicon oxide Calcium carbide Calcium oxide Silicon carbide Silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Galena Feldspar Quartz Mica Galena Feldspar Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon monoxide Nitrogen Carbon dioxide Nitrogen dioxide Carbon monoxide Nitrogen Carbon dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP