Chemistry Total number of halogen elements found in the periodic table is 13 8 3 5 13 8 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Octahedral Face centered cubic Body centered cubic Square planar Octahedral Face centered cubic Body centered cubic Square planar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2into nitrite Ammonia into N2 Ammonia into nitrite N2 into nitrate N2into nitrite Ammonia into N2 Ammonia into nitrite N2 into nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP