Chemistry The element used for making solar cells is Silicon Calcium Sodium Magnesium Silicon Calcium Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Copper Aluminium Iron Zinc Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of – Avogadro's Law Exclusion Principle of Pauli Hund's rule of maximum multiplicity Uncertainty Principle of Hiesenberg Avogadro's Law Exclusion Principle of Pauli Hund's rule of maximum multiplicity Uncertainty Principle of Hiesenberg ANSWER DOWNLOAD EXAMIANS APP