Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Ozone Nitrogen Carbondioxide Oxygen Ozone Nitrogen Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Ammonium sulphate Calcium citrate Urea Ammonium nitrate Ammonium sulphate Calcium citrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Electrons Protons Positrons Neutrons Electrons Protons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Phosphoric acid Hydrochloric acid Formic acid Acetic acid Phosphoric acid Hydrochloric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP