Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Carbon Silicon Lead Tin Carbon Silicon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide Oxygen Hydrogen All of them Carbon dioxide Oxygen Hydrogen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate ANSWER DOWNLOAD EXAMIANS APP