Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Sulphuric acid Nitric acid Aqua ragia Hydrochloric acid Sulphuric acid Nitric acid Aqua ragia Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Zinc Lead Iron Cadmium Zinc Lead Iron Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and particulates NO2and particulates SO2 and NO2 CO2and CFCs SO2 and particulates NO2and particulates SO2 and NO2 CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n3 n n2 n-2 n3 n n2 n-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
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