Chemistry The structure of NaCl crystal is Face centered cubic Square planar Body centered cubic Octahedral Face centered cubic Square planar Body centered cubic Octahedral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Distilled water Rain water Sea water River water Distilled water Rain water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP