Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to O3injury SO2injury NO2injury HF injury O3injury SO2injury NO2injury HF injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Firewood Petroleum Natural Gas Coal Firewood Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 N2 CO2 CH4 H2 N2 CO2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LC50 ADI NOAEL LD50 LC50 ADI NOAEL LD50 ANSWER DOWNLOAD EXAMIANS APP
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