Chemistry 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of – Uncertainty Principle of Hiesenberg Exclusion Principle of Pauli Hund's rule of maximum multiplicity Avogadro's Law Uncertainty Principle of Hiesenberg Exclusion Principle of Pauli Hund's rule of maximum multiplicity Avogadro's Law ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Aluminium vessel Glass vessel Earthen vessel Copper vessel Aluminium vessel Glass vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Heavy metals Halogens Light metals Noble gases Heavy metals Halogens Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold sulphate Gold nitrate Gold chloride Potassium aurocyanide Gold sulphate Gold nitrate Gold chloride Potassium aurocyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP